Help Contact For teachers and institutes

Mock Tests Classes

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.Help About Contact Privacy Policy Terms of Use Refund Policy

Ultraviolet light shines on a clean zinc plate that… | StemPy Lab

Quizzes
Ultraviolet light shines on a clean zinc plate that carries a negative charge. The plate loses its charge. A zinc plate with a positive charge shows no such loss. What does this show?

PhysicsEasyHigh School (11–12)Modern Physics › Dual Nature of Radiation and Matter Board Exam AP A-Level IB

Created by StemPy Lab

Ultraviolet light shines on a clean zinc plate that carries a negative charge. The plate loses its charge. A zinc plate with a positive charge shows no such loss. What does this show?

← All Quizzes

← The limit of a series of hydrogen lines is the wavelength that comes from a jump from A photocell has a large positive voltage on its collector. In proportion to which quantity is its current? →

More onModern Physics › Dual Nature of Radiation and Matter

Discussion (0)

Log in to join the discussion.

Loading…

More questions on this topic

In a photoelectric experiment the frequency of the light is doubled. It was above the threshold…Hard
Electrons speeded up by a voltage V give a first-order peak at 36° from a crystal. The voltage is…Hard
A proton and a helium nucleus (mass four times larger, charge twice as large) are each speeded up…Hard
Which observation needs the wave nature of electrons to explain it?Hard
Electrons leave a gun after being speeded up through 245 V. What is their de Broglie wavelength?…Medium

All questions on this topic →

Problems on this topic

A polished copper sphere of radius 5.0 cm hangs on an insulating thread in a large vacuum chamber…Hard
A speck of dust has a mass of 1.0 µg. (a) How fast would it have to move for its de Broglie…Hard
Electrons are speeded up by 150 V and hit a crystal whose rows of atoms are 0.215 nm apart…Medium
A photon has a wavelength of 500 nm. (a) Find its momentum…Easy

All problems on this topic →