Which of the following waves is both transverse and mechanical?

5 years ago

A. Water waves B. Radio waves C. Sound waves D. X-rays Correct Answer: Option A - Water waves

Which of the following electromagnetic waves has the shortest wavelength?

5 years ago

A. Visible Light B. Ultraviolet rays C. Infrared rays D. Gamma rays Correct Answer: Option D - Gamma rays

Semiconductor is a class of solid whose conductivity increases with an increase in?

5 years ago

A. Pressure B. Temperature C. Current D. Voltage Correct Answer: Option B - Temperature

A dynamo primarily converts?

5 years ago

A. Mechanical energy into electrical energy B. Electrical energy into kinetic energy C. Potential energy into kinetic energy D. Kinetic…

Which of the following statements is NOT correct ______?

5 years ago

A. Brownian motion is an evidence of the particle nature of matter B. Atoms combine to form molecules C. The…

A boy in a barber’s shop sits between two parallel mirrors. The number of images observed by him will be?

5 years ago

A. Infinite B. Ten C. Eight D. Forty Correct Answer: Option A - Infinite

What force has to be exerted on a mass 60kg to give it an acceleration of 10ms−² vertically upwards? [g = 10ms−²]

5 years ago

A. 300N B. 600N C. 1200N D. 400N Correct Answer: Option C - 1200N Explanation F = Ma + mg = 60 x…