1
NEET 2024
MCQ (Single Correct Answer)
+4
-1
Change Language

The graph which shows the variation of $$\left(\frac{1}{\lambda^2}\right)$$ and its kinetic energy, $$E$$ is (where $$\lambda$$ is de Broglie wavelength of a free particle):

A
NEET 2024 Physics - Dual Nature of Radiation and Matter Question 6 English Option 1
B
NEET 2024 Physics - Dual Nature of Radiation and Matter Question 6 English Option 2
C
NEET 2024 Physics - Dual Nature of Radiation and Matter Question 6 English Option 3
D
NEET 2024 Physics - Dual Nature of Radiation and Matter Question 6 English Option 4
2
NEET 2024
MCQ (Single Correct Answer)
+4
-1
Change Language

If $$c$$ is the velocity of light in free space, the correct statements about photon among the following are:

A. The energy of a photon is $$E=h v$$.

B. The velocity of a photon is $$c$$.

C. The momentum of a photon, $$p=\frac{h v}{c}$$.

D. In a photon-electron collision, both total energy and total momentum are conserved.

E. Photon possesses positive charge.

Choose the correct answer from the options given below:

A
A and B only
B
A, B, C and D only
C
A, C and D only
D
A, B, D and E only
3
NEET 2023 Manipur
MCQ (Single Correct Answer)
+4
-1
Change Language

The de Broglie wavelength associated with an electron, accelerated by a potential difference of 81 V is given by:

A
13.6 nm
B
136 nm
C
1.36 nm
D
0.136 nm
4
NEET 2023 Manipur
MCQ (Single Correct Answer)
+4
-1
Change Language

The maximum kinetic energy of the emitted photoelectrons in photoelectric effect is independent of:

A
work function of material
B
intensity of incident radiation
C
frequency of incident radiation
D
wavelength of incident radiation
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