8.7N
37.0N
87.0N
13.0N
Correct answer is B
Upthrust = Weight or water displaced
= 3.7 x 10 = 37N
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.
Mechanical energy into electrical energy
Electrical energy into kinetic energy
Potential energy into kinetic energy
Kinetic energy into potential energy
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.