Class 12 Physics Dual Nature of Radiation and Matter Photoelectric Effect by Lenard and it's Observations

Easy

For photoelectric emission, tungsten requires light of $2300 \mathring{A}$. If light of $1800 \mathring{A}$ wavelength is incident, then emission:

A
Takes place
B
Does not take place
C
May or may not take place
D
Depends on frequency

Explore More

Browse All

Question Bank

All Subjects

Class 12 Questions

Class 12

Physics Questions

Chapter

Dual Nature of Radiation and Matter

Subtopic

Photoelectric Effect by Lenard and it's Observations

Similar Questions

Define threshold frequency and on which factor does threshold frequency depend?

Medium

Which of the following does not support the wave nature of light?

Medium

The photo-electrons emitted from a surface of sodium metal are such that

Easy

$A$ photocell is illuminated by a small lamp placed at a distance of $1 \ m$. If the lamp is shifted to a distance of $2 \ m$,then the number of emitted electrons will be:

Easy

As the intensity of incident light increases,

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial

For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.