Physics : General Knowledge Questions and Answers

Q81. The energy derived from the heat of Earth is called

[A] Geothermal Energy

[B] Solar Energy

[C] Geothermal Energy

[D] Biogas

Q82. What is the unit of measure of a magnetic field?

[A] Tesla

[B] Ampere

[C] Cobalt

[D] Ohm

Q83. The image of an object formed on the retina of the eye is 

[A] Real and upright

[B] virtual and inverted

[C] virtual and upright

[D] real and inverted

Q84. The SI unit of thrust is __________

[A] Joule

[B] Newton

[C] Pascal

[D] Ohm

450+ Physics Quiz Questions and Answers

Q85. Which of the following physical quantities do not have same dimensions?

[A] Weight and Force

[B] Force and Pressure

[C] Work and Energy

[D] Impulse and momentum

Q86. Fog is an example of a

[A] gas dispersed in liquid

[B] solid dispersed in liquid

[C] liquid dispersed in gas

[D] liquid dispersed in solid

Q87. The inability of a body to change its state of rest or uniform motion along a straight line is called its

[A] inertia

[B] acceleration

[C] inertia

[D] velocity

Q88. Which of the following is a scalar quantity?

[A] Acceleration

[B] linear momentum

[C] electric current

[D] electric field

Q89. The absorption of ink by blotting paper involves

[A] capillary action phenomenon

[B] viscosity of ink

[C] siphon action

[D] diffusion of ink through the blotting

Q90. It is difficult to fix a nail on a freely suspended wooden frame. Which law supports this statement?

[A] Pascal’s law

[B] Law of inertia

[C] Newton’s second law

[D] Newton’s third law