Which of the following is NOT a vector quantity? Â
The kinetic energy of a body is directly proportional to — Â
Global warming is expected to result in
A pulse of light duration 10-5 s is absorbed fully by a little object initially at rest. If the power of this pulse is 45 × 10-3...
What is the potential difference across a 5 Ω resistor when a current of 2 A flows through it?
Mirror formula is
Two spherical conductors of radii 2 cm and 8 cm are connected. The ratio of charges on them at equilibrium is:
A charged particle oscillates about its mean equilibrium position with a frequency of 105 Hz. What is the frequency of the electromagnetic wa...
A projectile is launched at an angle of 30° with the horizontal and remains in the air for 5 seconds. What is the range of the projectile? (Take g = 10...
Ultrasonic waves, propagating through a medium, can be detected by:
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