TRB Polytechnic Lecturer Exam Question Paper for Physics - 2

Question: 6

The antiparticle of the electron is called as

(A) Positron 

(B) Antineutrino

(C) Neutrino

(D) Meson

Question: 7

Nautical mile is a unit of distance used in

(A) Measuring the boundaries of a nation

(B) Road mile

(C) Astronomy

(D) Navigation

Question: 8

The efficient of a jet engine is

(A) 15%

(B) 20%

(C) 25%

(D) 45%

Question: 9

Lichens is a plant which exists in ___ regions.

(A) hot

(B) polar

(C) equatorial

(D) desert

Question: 10

The sky appears blue

(A) due to reflection

(B) due to refraction

(C) due to scattering

(D) due to dispersion