The relative density of a liquid is the ratio of the
Mass of water to the mass of an equal volume of liquid
Upthrust in the liquid to the upthrust in water
Density of water to the density of the liquid
Upthrust in water to the upthrust in the liquid
Correct answer is B
No explanation has been provided for this answer.
Which of the following waves is both transverse and mechanical?
Water waves
Radio waves
Sound waves
X-rays
Correct answer is A
No explanation has been provided for this answer.
Which of the following statements is NOT correct?
Brownian motion is an evidence of the particle nature of matter
Atoms combine to form molecules
The molecules of matter are not in constant motion
matter is made up of molecules
Correct answer is C
No explanation has been provided for this answer.
Semiconductor is a class of solid whose conductivity increases with an increase in
Pressure
Temperature
Current
Voltage
Correct answer is B
No explanation has been provided for this answer.
The heat required to raise a mass of a substance through 1K is known as
Specific heat capacity
Specific latent heat of vaporization
Capacity latent heat of fusion
Heat capacity
Correct answer is D
No explanation has been provided for this answer.
The rate of cooling of a heated quantity of liquid in an enclosure depends on the
Pressure of the liquid
Temperature in the enclosure
Pressure of the enclosure
Volume of the liquid
Correct answer is B
No explanation has been provided for this answer.
When an athlete perspires after running, he loses heat through
Evaporation
Conduction
Radiation
Convection
Correct answer is A
No explanation has been provided for this answer.
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