MHT CET · Physics · Dual Nature of Matter
In photoelectric effect, the kinetic energy of electron emitted from the metal surface depends upon
- A intensity of incident light
- B both intensity and velocity of incident light
- C frequency of incident light
- D velocity of incident light
Answer & Solution
Correct Answer
(C) frequency of incident light
Step-by-step Solution
Detailed explanation
In photoelectric effect, the kinetic energy of electron emitted from the metal surface depends upon frequency of incident light.
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from Physics
- Two wires \(A\) and \(B\) are of the same materials. Their lengths are in the ratio \(1: 2\) and diameters are in the ratio \(2: 1 .\) When stretched by force \(F_{A}\) and \(F_{R}\) respectively they get equal increase in their lengths. Then the ratio \(F_{A} / F_{B}\) should beMHT CET 2011 Hard
- The coil of an a.c. generator has 100 turns, each of cross-sectional area \(2 \mathrm{~m}^2\). It is rotating at constant angular speed \(30 \mathrm{rad} / \mathrm{s}\), in a uniform magnetic field of \(2 \times 10^{-2} \mathrm{~T}\). If the total resistance of the circuit is \(600 \Omega\) then maximum power dissipated in the circuit isMHT CET 2023 Medium
- Activity of a radioactive sample decreases to \(\left(\frac{1}{3}\right)^{r d}\) of its original value in 3 days. Then in 9 days its activity reduces toMHT CET 2022 Easy
- A \(10 \mathrm{~m}\) long wire of resistance \(20 \Omega\) is connected in series with a battery of e.m.f. \(3 \mathrm{~V}\) (negligible internal resistance) and a resistance of \(10 \Omega\). The potential gradient along the wire isMHT CET 2023 Medium
- A stone is projected vertically upwards with speed ' \(v\) '. Another stone of same mass is projected at an angle of \(60^{\circ}\) with the vertical with the same speed ' \(v\) '. The ratio of their potential energies at the highest points of their journey is \(\left[\sin 30^{\circ}=\cos 60^{\circ}=0.5\right.\), \(\left.\cos 30^{\circ}=\sin 60^{\circ}=\frac{\sqrt{3}}{2}\right]\)MHT CET 2023 Hard
- A big water drop is divided into 8 equal droplets. \(\Delta \mathrm{P}_{\mathrm{S}}\) and \(\Delta \mathrm{P}_{\mathrm{B}}\) be the excess pressure inside a smaller and bigger drop respectively. The relation between \(\Delta \mathrm{P}_{\mathrm{S}}\) and \(\Delta \mathrm{P}_{\mathrm{B}}\) isMHT CET 2021 Medium
More PYQs from MHT CET
- A body starts from rest from a distance \(\mathrm{R}_0\) from the centre of the earth. The velocity acquired by the body when it reaches the surface of the earth will be \((\mathrm{R}=\) radius of earth, \(\mathrm{M}=\) mass of earth \()\)MHT CET 2024 Medium
- When the battery across the plates of a charged condenser is disconnected and a dielectric slab is introduced between its plates then the energy storedMHT CET 2021 Medium
- The activation energy of a reaction is zero. Its rate constant at 280 K is the rate constant at 300 K isMHT CET 2019 Hard
- In a capillary tube of area of cross-section 'a' water rises to height 'h'. To what height will water rise in a capillary tube of area of cross-section \(4 a\) ?MHT CET 2025 Easy
- The abscissa of the point on the curve \(y=\mathrm{a}\left(\mathrm{e}^{\frac{x}{a}}+\mathrm{e}^{-\frac{x}{a}}\right)\) where the tangent is parallel to the X -axis isMHT CET 2024 Medium
- In a multistep reaction, the overall rate of reaction is equal to theMHT CET 2011 Easy