Question
Draw graphs showing variation of photoelectric current with applied voltage for two incident radiations of equal frequency and different intensities. Mark the graph for the radiation of higher intensity.
✓
Answer
Here I1 and I2 are intensities of incident wave, V0 = stopping potential.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Write any two properties of electric field lines.
What is the nature of effective forces in the nucleus?
What is the frequency of output signal of (i) Half wave rectifier (ii) Full wave rectifier, if the frequency of input signal is 50Hz?
What is the order of energy gap in a semiconductor?
In a TV tube, electrons are accelerated from the rear to the front. What is the direction of the current?
A wave is represented by an equation $\text{y}=\text{c}_1\sin(\text{c}_2\text{x}+\text{c}_3\text{t}).$ In which direction is the wave going ? Assume that c1, c2 and c3 are all positive.
→32P beta-decays to 32S. Find the sum of the energy of the antineutrino and the kinetic energy of the $\beta$-particle. Neglect the recoil of the daughter nucleus. Atomic mass of 32P = 31.974u and that of 32S = 31.972u.
→Define the activity of a given radioactive substance. Write its S.I. unit.
A rubber balloon is given a charge Q distributed uniformly over its surface. Is the field inside the balloon zero everywhere if the balloon does not have a spherical surface?
A battery-operated torch is adjusted to send an almost parallel beam of light. It produces an illuminance of 40 lux when the light falls on a wall 2m away. The illuminance produced when it falls on a wall 4m away is close to:
- 40 lux
- 20 lux
- 10 lux
- 5 lux