1. If an electron and a photon have the same wavelength, then they will have the same
Question Asked : SSC CGL Tier-I (CBE) Exam 2016
(A) velocity
(B) linear momentum
(C) angular momentum
(D) energy
2. In which region of electromagnetic spectrum does the Lyman series of hydrogen atom lie?
Question Asked : SSC CHSL (10+2) LDC, DEO & PA/SA Exam 2015
(A) Visible
(B) Infrared
(C) Ultraviolet
(D) X-ray
3. Planck’s constant has the dimensions of
Question Asked : SSC CHSL (10+2) LDC, DEO & PA/SA Exam 2015
(A) energy
(B) linear momentum
(C) angular momentum
(D) force
4. The abbreviation LHC stands for which machine?
Question Asked : SSC CHSL (10+2) LDC, DEO & PA/SA Exam 2015
(A) Light Heat Collider
(B) Large Hadron Collider
(C) Long Heavy Collider
(D) Large High Collider
5. The unit of Planck’s constant is
Question Asked : SSC CHSL (10+2) DEO & LDC Exam 2014
(A) Js
(B) JS–2
(C) J/s
(D) Js2
6. According to special theory of relativity the mass of a particle
Question Asked : SSC CGL Tier-I (Re-Exam 2013) 2014
(A) increases with increase in velocity with respect to an observer.
(B) decreases with increase in velocity.
(C) decreases with decrease in velocity.
(D) is independent of its velocity.
7. Matter waves are
Question Asked : SSC (10+2) Level Data Entry Operator & LDC Exam 2013
(A) de Broglie waves
(B) Electromagnetic waves
(C) Transverse waves
(D) Longitudinal waves
8. What is a neuron?
Question Asked : SSC (10+2) Level Data Entry Operator & LDC Exam 2013
(A) Basic unit of energy
(B) Particle released during radioactivity
(C) The anti-particle of neutron
(D) Basic unit of nervous system
9. Alpha particle is the nucleus of an atom of
Question Asked : SSC Graduate Level Tier-I Exam 2013
(A) Lithium
(B) Hydrogen
(C) Helium
(D) Oxygen
10. Photon is the fundamental unit/quantum of
Question Asked : SSC Graduate Level Tier-I Exam 2013
(A) gravitation
(B) electricity
(C) magnetism
(D) light
