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The correct answer is A
X-rays are
Let the electric field part of an electromagnetic wave is E = {(2.3 N/C) cos [(1.2 rad/m) y + (2.4 × 108 rad/s)t]} î.
What is the momentum of an object of mass 1/2 m, moving with a velocity of 2V?
The escape velocity from a planet is 11.2 km/s. What is the minimum kinetic energy per kg needed to escape?
1. 6.3 x 107 J/ Kg
<...Which quantity has the same dimensional formula as impulse?
In a charged conductor, where do the electrical charges tend to reside?
A person weighing 80 kg is standing in an elevator that is accelerating downward at 3 m/s². What is the apparent weight? (Take g = 10 m/ s²)
The unit of measurement of noise is –
A soap bubble shows colours when illuminated with white light. This is due to –