Download App

Dual Nature of Radiation and Matter — Physics STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 SciencePhysicsDual Nature of Radiation and Matter1 Mark
Question
The value of photoelectric current depend on which factor at constant frequency?
✓

Answer

At intensity of incident light.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "1 Marks Question" from Dual Nature of Radiation and Matter→Dual Nature of Radiation and Matter — all question types→Physics STD 12 Science question papers→Gujarat Board STD 12 Science question papers→Gujarat Board question paper generator→

Similar questions

Express the speed of transmission of electromagnetic wave in terms of peak values of electric and magnetic fields.
→
A cubical block of wood weighing 200g has a lead piece fastened underneath. Find the mass of the lead piece which will just allow the block to float in water. Specific gravity of wood is 0.8 and that of lead is 11.3.
→
State reason for the generation of displacement current.
→
What is the effect on the magnitudes of resistance and resistivity of deforming the shape of a substance?
→
The speed of light is 299,792,458m/s.
  1. With respect to the earth.
  2. With respect to the sun.
  3. With respect to a train moving on the earth.
  4. With respect to a spaceship going in outer space.
→
Answer carefully:
If Coulomb’s law involved $\frac{1}{\text{r}^{3}}$ dependence $(\text{instead of}\ \frac{1}{\text{r}^{2}})$, would Gauss’s law be still true?
→
Imagine removing one electron from He4 and He3. Their energy levels, as worked out on the basis of Bohr model will be very close. Explain why:
→
In an experiment on photoelectric effect, a photon is incident on an electron from one direction and the photoelectron is emitted almost in the opposite direction. Does this violate conservation of momentu?
→
Give two factors by which the voltage sensitivity of a moving coil galvanometer can be increased.
→
What is the minimum possible value of electric charge?
→