JEE Main · Mock test
Errors and Measurement: Practice Paper
A JEE Main style paper in 50 minutes, at the JEE Main pace of 2.4 minutes a question. Section A has 15 questions with one correct option, and Section B has 5 with a whole number to type. Combining errors in products, powers and differences, the vernier and the screw gauge with zero errors, significant figures, and how many digits a result deserves. Every answer has a worked solution that names the usual slip.
PhysicsHigh School (11–12)
- questions
- 20
- minutes
- 50
- marks
- 80
- right / wrong
- +4 / −1
questions
minutes
marks
right / wrong
The clock starts when you press Begin, after the instructions.
Exam pattern
| Section | Questions | Marks |
|---|---|---|
| Section A | 15 | 60 |
| Section B | 5 | 20 |
15 with one correct option, 5 with a number to type.
Marking
- Right answer: +4
- Wrong answer: −1
- Left blank: 0
Time
50 minutes on one clock, from when you begin.
Before you start
- It runs like an online exam: one question at a time, with a palette showing what you have answered, skipped or marked for review.
- The clock starts when you press Begin the test, after you have read the instructions, and keeps running even if you reload or leave. At zero, your saved answers are submitted.
- Leaving the test window is recorded, and your teacher can see it.
- Your score, the answers and the explanations show when you finish, with where you stand among everyone who has taken it.