physics

A transverse wave and a longitudinal wave travelling in the same direction in a medium differ essentially in their?

A. frequency B. amplitude C. direction of vibration of the particles of the medium D. period of vibration of the…

5 years ago

A wave that travels through stretched strings is known as?

A. electromagnetic wave B. microwave C. mechanical wave D. seismic wave Correct Answer: Option C - mechanical wave

5 years ago

The mechanism of heat transfer from one point to another through the vibration of the molecules of the medium is

A. convection B. conduction C. radiation D. diffusion Correct Answer: Option B - conduction

5 years ago

The rise or fall of a liquid in a narrow tube is because of the?

A. viscosity of the liquid B. surface tension of the liquid C. friction between the walls of the tube and…

5 years ago

What will happen to the boiling point of pure water when it is heated in a place 30m below sea level?

A. It will be more than 100°C B. It will be last than 100°C C. It will still be at…

5 years ago

Steam from boiling water causes more damage on the skin than does boiling water because?

A. water has a high specific heat B. steam has a latent heat of fusion C. the steam is at…

5 years ago

Food cook quicker in salt water than in pure water because of the effect of?

A. dissolved substances on the boiling point B. atmospheric pressure on the boiling point C. food nutrients on the thermal…

5 years ago

A gas at a pressure of 10^5Nm−² expands from 0.6m−³ to 1.2m³ at constant temperature, the work done is?

A. 7.0 x 106J B. 6.0 x 106J C. 6.0 x 105J D. 6.0 x 104J Correct Answer: Option D…

5 years ago

A wire of length 100.0m at 30° has linear expansive of 2×10^-5K−¹ Calculate the length of the wire at a temperature of – 10°C

A. 100.08m B. 100.04m C. 99.96m D. 99.92m Correct Answer: Option D - 99.92m Explanation L2=L1+α(θ2−θ1) = 100 + 0.00002(-10-30)…

5 years ago