HelpContactFor teachers and institutes
>_StemPy Lab
Mock TestsClasses

>_StemPy Lab

Learn. Solve. Code the solutions. Test yourself.

Live examsFree mock exams, timed and rankedEveryone starts together, and your score and rank come the moment it ends.See the exams →

Learn

  • Physics
  • Chemistry
  • Mathematics
  • Biology
  • Python Programming
  • Statistics & Data Science
  • Classes
  • Groups

Practice

  • Problems
  • Quizzes
  • Mock Tests
  • Prepare for an Exam
  • Question Sets
  • Exams
  • Certificates
  • Python Labs
  • AI Practice Generator
  • Student-Created Tests

Community

  • Discussions
  • Resources
  • Notes
  • Blog

Account

  • Log in
© 2026 senLearn. All rights reserved.HelpAboutContactPrivacy PolicyTerms of UseRefund Policy

Quizzes

Quick multiple-choice questions shared by teachers and students.

+ Create a Quiz

Pick a subject to see its topics.

Exam:
2711 quizzes
A coil of 2 H has no resistance. It is joined across a capacitor of 8 µF that has been charged to 40 V. What is the largest current that flows? New
High School (11–12) · Alternating Current
A-Level, AEEE (Amrita), AMUEEE, AP EAPCET, BCECE, COMEDK UGET, CUET UG, GUJCET, IB, JCECE, JKCET, KCET, KEAM, KIITEE, LPUNEST, MET (Manipal), MHT-CET, OJEE, SRMJEEE, TS EAPCET, UPESEAT, VITEEE
StemPy LabStemPy Lab
Hard
An octahedral d⁴ ion is first bound to a weak ligand and shows 4 unpaired electrons. A stronger ligand then replaces it, and the complex shows 2 unpaired electrons. Which statement explains this? New
High School (11–12) · Bonding: Valence Bond and Crystal Field Theory
A-Level, AEEE (Amrita), AMUEEE, AP EAPCET, BCECE, COMEDK UGET, CUET UG, GUJCET, IB, JCECE, JKCET, KCET, KEAM, KIITEE, LPUNEST, MET (Manipal), MHT-CET, OJEE, SRMJEEE, TS EAPCET, UPESEAT, VITEEE
StemPy LabStemPy Lab
Hard
A hemispherical bowl of radius 10 cm stands with its flat rim on top, as in the picture. It holds water 4 cm deep at the middle. What volume of water does it hold? New
High School (11–12) · Application of Integrals
A-Level, AEEE (Amrita), AMUEEE, AP, AP EAPCET, BCECE, COMEDK UGET, CUET UG, GUJCET, IB, JCECE, JKCET, KCET, KEAM, KIITEE, LPUNEST, MET (Manipal), MHT-CET, OJEE, SRMJEEE, TS EAPCET, UPESEAT, VITEEE
StemPy LabStemPy Lab
Hard
An inductor of 0.9 H and a capacitor of 10 µF are joined in a loop with no resistance. At what angular frequency does the charge oscillate? New
High School (11–12) · Alternating Current
A-Level, AEEE (Amrita), AMUEEE, AP EAPCET, BCECE, COMEDK UGET, CUET UG, GUJCET, IB, JCECE, JKCET, KCET, KEAM, KIITEE, LPUNEST, MET (Manipal), MHT-CET, OJEE, SRMJEEE, TS EAPCET, UPESEAT, VITEEE
StemPy LabStemPy Lab
Medium
Seven d electrons sit in a strong octahedral field, so the complex is low spin, with Δo = 190 kJ/mol. Find the stabilisation energy from the splitting alone. New
High School (11–12) · Bonding: Valence Bond and Crystal Field Theory
A-Level, AEEE (Amrita), AMUEEE, AP EAPCET, BCECE, COMEDK UGET, CUET UG, GUJCET, IB, JCECE, JKCET, KCET, KEAM, KIITEE, LPUNEST, MET (Manipal), MHT-CET, OJEE, SRMJEEE, TS EAPCET, UPESEAT, VITEEE
StemPy LabStemPy Lab
Medium
A cyclist rides for 6 hours. Her speed v(t) in km per hour is a continuous function of the time t in hours, and she covers 30 km in all. Which statement must be true? New
High School (11–12) · Application of Integrals
A-Level, AEEE (Amrita), AMUEEE, AP, AP EAPCET, BCECE, COMEDK UGET, CUET UG, GUJCET, IB, JCECE, JKCET, KCET, KEAM, KIITEE, LPUNEST, MET (Manipal), MHT-CET, OJEE, SRMJEEE, TS EAPCET, UPESEAT, VITEEE
StemPy LabStemPy Lab
Medium
An LC circuit has no resistance. Which statement describes the circuit at the instant when the capacitor holds no charge? New
High School (11–12) · Alternating Current
A-Level, AEEE (Amrita), AMUEEE, AP EAPCET, BCECE, COMEDK UGET, CUET UG, GUJCET, IB, JCECE, JKCET, KCET, KEAM, KIITEE, LPUNEST, MET (Manipal), MHT-CET, OJEE, SRMJEEE, TS EAPCET, UPESEAT, VITEEE
StemPy LabStemPy Lab
Medium
A student says that the high spin ion [Mn(H₂O)₆]²⁺ has a CFSE of -2.0 Δo, because all five d electrons go into the t_2g set. What is the mistake? New
High School (11–12) · Bonding: Valence Bond and Crystal Field Theory
A-Level, AEEE (Amrita), AMUEEE, AP EAPCET, BCECE, COMEDK UGET, CUET UG, GUJCET, IB, JCECE, JKCET, KCET, KEAM, KIITEE, LPUNEST, MET (Manipal), MHT-CET, OJEE, SRMJEEE, TS EAPCET, UPESEAT, VITEEE
StemPy LabStemPy Lab
Medium
A winding footpath follows the curve y = 2/3x^(3/2) from x = 0 to x = 8, with x and y in metres. The council wants to know the length of the path. How long is it? New
High School (11–12) · Application of Integrals
A-Level, AEEE (Amrita), AMUEEE, AP, AP EAPCET, BCECE, COMEDK UGET, CUET UG, GUJCET, IB, JCECE, JKCET, KCET, KEAM, KIITEE, LPUNEST, MET (Manipal), MHT-CET, OJEE, SRMJEEE, TS EAPCET, UPESEAT, VITEEE
StemPy LabStemPy Lab
Hard
A cable of total resistance 6 Ω is fed with 36 kW at 4 kV. The power factor is 1. How much of the power is lost as heat in the cable? New
High School (11–12) · Alternating Current
A-Level, AEEE (Amrita), AMUEEE, AP EAPCET, BCECE, COMEDK UGET, CUET UG, GUJCET, IB, JCECE, JKCET, KCET, KEAM, KIITEE, LPUNEST, MET (Manipal), MHT-CET, OJEE, SRMJEEE, TS EAPCET, UPESEAT, VITEEE
StemPy LabStemPy Lab
Medium
Which of these complexes is expected to be colourless in solution? New
High School (11–12) · Bonding: Valence Bond and Crystal Field Theory
A-Level, AEEE (Amrita), AMUEEE, AP EAPCET, BCECE, COMEDK UGET, CUET UG, GUJCET, IB, JCECE, JKCET, KCET, KEAM, KIITEE, LPUNEST, MET (Manipal), MHT-CET, OJEE, SRMJEEE, TS EAPCET, UPESEAT, VITEEE
StemPy LabStemPy Lab
Medium
A farm tank in a dry region is filled by a pump. The rate of inflow is r(t) = 24 - 3t litres per minute, for 0 ≤ t ≤ 8 minutes, where t is the time since the pump started. How many litres enter the tank in the eight minutes? New
High School (11–12) · Application of Integrals
A-Level, AEEE (Amrita), AMUEEE, AP, AP EAPCET, BCECE, COMEDK UGET, CUET UG, GUJCET, IB, JCECE, JKCET, KCET, KEAM, KIITEE, LPUNEST, MET (Manipal), MHT-CET, OJEE, SRMJEEE, TS EAPCET, UPESEAT, VITEEE
StemPy LabStemPy Lab
Medium
Why is electric power sent over long distances at a very high voltage? New
High School (11–12) · Alternating Current
A-Level, AEEE (Amrita), AMUEEE, AP EAPCET, BCECE, COMEDK UGET, CUET UG, GUJCET, IB, JCECE, JKCET, KCET, KEAM, KIITEE, LPUNEST, MET (Manipal), MHT-CET, OJEE, SRMJEEE, TS EAPCET, UPESEAT, VITEEE
StemPy LabStemPy Lab
Medium
Cr³⁺ forms four octahedral complexes: with Cl⁻, with H₂O, with NH₃ and with CN⁻. Which complex absorbs light of the shortest wavelength? New
High School (11–12) · Bonding: Valence Bond and Crystal Field Theory
A-Level, AEEE (Amrita), AMUEEE, AP EAPCET, BCECE, COMEDK UGET, CUET UG, GUJCET, IB, JCECE, JKCET, KCET, KEAM, KIITEE, LPUNEST, MET (Manipal), MHT-CET, OJEE, SRMJEEE, TS EAPCET, UPESEAT, VITEEE
StemPy LabStemPy Lab
Medium
The picture shows the velocity of a trolley on a straight track, made of straight lines. It moves forward, then reverses, and then keeps reversing at a steady speed. What is the total distance it travels in the 7 seconds? New
High School (11–12) · Application of Integrals
A-Level, AEEE (Amrita), AMUEEE, AP, AP EAPCET, BCECE, COMEDK UGET, CUET UG, GUJCET, IB, JCECE, JKCET, KCET, KEAM, KIITEE, LPUNEST, MET (Manipal), MHT-CET, OJEE, SRMJEEE, TS EAPCET, UPESEAT, VITEEE
StemPy LabStemPy Lab
Medium
A student says: a step-up transformer has ten times as many turns in its secondary as in its primary, so it gives ten times as much power as it takes. What is wrong with this? New
High School (11–12) · Alternating Current
A-Level, AEEE (Amrita), AMUEEE, AP EAPCET, BCECE, COMEDK UGET, CUET UG, GUJCET, IB, JCECE, JKCET, KCET, KEAM, KIITEE, LPUNEST, MET (Manipal), MHT-CET, OJEE, SRMJEEE, TS EAPCET, UPESEAT, VITEEE
StemPy LabStemPy Lab
Medium
The tetrahedral ion [FeCl₄]²⁻ contains iron(II). How many unpaired electrons does it have? New
High School (11–12) · Bonding: Valence Bond and Crystal Field Theory
A-Level, AEEE (Amrita), AMUEEE, AP EAPCET, BCECE, COMEDK UGET, CUET UG, GUJCET, IB, JCECE, JKCET, KCET, KEAM, KIITEE, LPUNEST, MET (Manipal), MHT-CET, OJEE, SRMJEEE, TS EAPCET, UPESEAT, VITEEE
StemPy LabStemPy Lab
Medium
The voltage across a sensor is f(t) = t² volts, where t is the time in seconds, for 1 ≤ t ≤ 4. A data logger reports the mean value of the voltage over these three seconds. What does it report? New
High School (11–12) · Application of Integrals
A-Level, AEEE (Amrita), AMUEEE, AP, AP EAPCET, BCECE, COMEDK UGET, CUET UG, GUJCET, IB, JCECE, JKCET, KCET, KEAM, KIITEE, LPUNEST, MET (Manipal), MHT-CET, OJEE, SRMJEEE, TS EAPCET, UPESEAT, VITEEE
StemPy LabStemPy Lab
Medium
A series circuit has R = 10 Ω, XL = 31 Ω and XC = 7 Ω. It is joined to a source of 52 V (rms). How much average power does it take? New
High School (11–12) · Alternating Current
A-Level, AEEE (Amrita), AMUEEE, AP EAPCET, BCECE, COMEDK UGET, CUET UG, GUJCET, IB, JCECE, JKCET, KCET, KEAM, KIITEE, LPUNEST, MET (Manipal), MHT-CET, OJEE, SRMJEEE, TS EAPCET, UPESEAT, VITEEE
StemPy LabStemPy Lab
Hard
How many unpaired electrons does the octahedral complex [Ni(NH₃)₆]²⁺ have? New
High School (11–12) · Bonding: Valence Bond and Crystal Field Theory
A-Level, AEEE (Amrita), AMUEEE, AP EAPCET, BCECE, COMEDK UGET, CUET UG, GUJCET, IB, JCECE, JKCET, KCET, KEAM, KIITEE, LPUNEST, MET (Manipal), MHT-CET, OJEE, SRMJEEE, TS EAPCET, UPESEAT, VITEEE
StemPy LabStemPy Lab
Medium
The shaded region in the picture lies between the y-axis and the curve y = 2x², from y = 0 up to y = 8. It is turned about the y-axis to make a bowl, with the lengths in centimetres. What is the volume of the bowl? New
High School (11–12) · Application of Integrals
A-Level, AEEE (Amrita), AMUEEE, AP, AP EAPCET, BCECE, COMEDK UGET, CUET UG, GUJCET, IB, JCECE, JKCET, KCET, KEAM, KIITEE, LPUNEST, MET (Manipal), MHT-CET, OJEE, SRMJEEE, TS EAPCET, UPESEAT, VITEEE
StemPy LabStemPy Lab
Medium
An ideal coil is joined to an AC source. What is the average power it takes over a whole cycle, and why? New
High School (11–12) · Alternating Current
A-Level, AEEE (Amrita), AMUEEE, AP EAPCET, BCECE, COMEDK UGET, CUET UG, GUJCET, IB, JCECE, JKCET, KCET, KEAM, KIITEE, LPUNEST, MET (Manipal), MHT-CET, OJEE, SRMJEEE, TS EAPCET, UPESEAT, VITEEE
StemPy LabStemPy Lab
Medium
The iron(II) complex [Fe(CN)₆]⁴⁻ is octahedral. Which pair of terms describes it? New
High School (11–12) · Bonding: Valence Bond and Crystal Field Theory
A-Level, AEEE (Amrita), AMUEEE, AP EAPCET, BCECE, COMEDK UGET, CUET UG, GUJCET, IB, JCECE, JKCET, KCET, KEAM, KIITEE, LPUNEST, MET (Manipal), MHT-CET, OJEE, SRMJEEE, TS EAPCET, UPESEAT, VITEEE
StemPy LabStemPy Lab
Medium
The shaded region in the picture lies between the line y = 2x and the parabola y = x². A potter turns it about the x-axis to make a solid with a hollow inside, with x and y in centimetres. What is the volume of the solid? New
High School (11–12) · Application of Integrals
A-Level, AEEE (Amrita), AMUEEE, AP, AP EAPCET, BCECE, COMEDK UGET, CUET UG, GUJCET, IB, JCECE, JKCET, KCET, KEAM, KIITEE, LPUNEST, MET (Manipal), MHT-CET, OJEE, SRMJEEE, TS EAPCET, UPESEAT, VITEEE
StemPy LabStemPy Lab
Medium
A series resonant circuit has a resonant frequency of 600 Hz and a quality factor of 25. How wide is the band between its half-power frequencies? New
High School (11–12) · Alternating Current
A-Level, AEEE (Amrita), AMUEEE, AP EAPCET, BCECE, COMEDK UGET, CUET UG, GUJCET, IB, JCECE, JKCET, KCET, KEAM, KIITEE, LPUNEST, MET (Manipal), MHT-CET, OJEE, SRMJEEE, TS EAPCET, UPESEAT, VITEEE
StemPy LabStemPy Lab
Medium
Page 1 of 109
…

Showing 1–25 of 2711