DUAL NATURE OF RADIATION AND MATTER

DUAL NATURE OF RADIATION AND MATTER

12th Grade

10 Qs

quiz-placeholder

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DUAL NATURE OF RADIATION AND MATTER

DUAL NATURE OF RADIATION AND MATTER

Assessment

Quiz

Physics

12th Grade

Medium

Created by

Prem Kumari Narang

Used 160+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Photoelectric effect phenomenon was discovered by:

Newton

Maxwell

Hertz

Huygens

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Hallwachs experiment set-up is used to study:

Tyndal effect

Diffraction of light

Photo electric effect

Raman effect

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Photoelectric current is ………. proportional to the number of photoelectrons emitted per second.

inversely

directly

first directly and then inversely

none of these

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The stopping potential depends upon the ....……….. of the fastest electron.

velocity

charge

mass

density

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

For a given frequency of the incident radiation, the stopping potential …..…….... of its intensity.

is directly proportional

is inversely proportional

is independent

None of these

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Photoelectric emission is a/an …………………. process.

slow

fast

instantaneous

very slow

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The maximum kinetic energy of the photoelectrons is ….......... proportional to the frequency of incident radiation.

inversely

directly

first directly and then inversely

none of these

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