The relativistic energy E is equivalent to relativistic mass given by_______________?
The relativistic energy E is equivalent to relativistic mass given by_______________?
A. Ec2
B. E/c2
C. E/c
D. c2/E
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If a material object moves with speed of light its mass becomes ________________?
If a material object moves with speed of light its mass becomes ________________?A. equal to its rest mass
B. double of its rest mass
C. infinite
D. zeroX-rays are similar in nature to_______________?
X-rays are similar in nature to_______________?A. Cathode rays
B. Positive rays
C. γ-rays
D. Beta raysDistance covered by a freely falling body in 2 seconds will be__________________?
Distance covered by a freely falling body in 2 seconds will be__________________?A. 4.9 m
B. 19.6 m
C. 39.2 m
D. 44.1 mThe value of critical angle for glass is_______________?
The value of critical angle for glass is_______________?A. 42°
B. 47°
C. 52°
D. 50°Pair production cannot take place in a vacuum as ________________?
Pair production cannot take place in a vacuum as ________________?A. Mass is not conserved
B. Energy is not conserved
C. Momentum is not conserved
D. The chargee is not conservedWhich one of following postulate is in accordance with the Rutherfords model ?
Which one of following postulate is in accordance with the Rutherfords model ?A. continuous spectra for atoms
B. discrete spectra for atoms
C. either continuous nor discrete
D. no spectrum