TNPSC General Science Study Materials, Notes in English - 2

Question: 6

Maximum kinetic energy of photo electrons is independent of its

(A) intensity

(B) velocity

(C) wavelength

(D) frequency

Question: 7

Photoelectric effect indicates that light has the aspects of a particle

(A) electron

(B) neutron

(C) proton

(D) photon

Question: 8

Electrons accelerated in a particle accelerator with a very high velocity

(A) acquires no mass variation

(B) acquires infinite mass

(C) acquires increased mass

(D) acquires decreased mass

Question: 9

The wavelength of the matter wave is independent of

(A) momentum

(B) charge

(C) velocity

(D) mass

Question: 10

Work done in bringing the fastest electron to rest is equal to _____ energy of the fastest electron.

(A) vibrational

(B) rotational

(C) potential

(D) kinetic