Question1 : On which one of the following conservation laws, does a rocket work?
a) Mass
b) Energy
c) Linear momentum
d) Angular momentum
Question 2: Which one among the following radiations carries maximum energy?
a) Ultraviolet rays
b) Gamma rays
c) X- rays
d) Infra red rays
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[1] On which one of the following conservation laws, does a rocket work?
=> Linear momentum
[2] Which one among the following radiations carries maximum energy?
=> Infrared rays
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