Take the Quiz - Timed General Knowledge Challenge | GK Mania

1 What is the unit of temperature?

A) Newton

B) Joule

C) Kelvin

D) Watt

2 What is eddy current?

A) A light beam

B) A water current

C) loop of

D) A wind pattern

3 What do solar panels convert?

A) Water to gas

B) Light to

C) Heat to sound

D) Wind to light

4 What is an adiabatic process?

A) A process with maximum heat exchange

B) thermodynamic process with no heat

C) A constant pressure process

D) A constant temperature process

5 What type of mirror is flat?

A) Plane mirror

B) Parabolic mirror

C) Convex mirror

D) Concave mirror

6 What is a heat engine?

A) device that converts thermal

B) A device that heats water

C) A cooling system

D) An electrical generator only

7 What happens to the period of a pendulum if its length is quadrupled?

A) It doubles

B) It halves

C) It stays the same

D) It quadruples

8 What keeps us on Earth?

A) Wind

B) Pressure

C) Gravity

D) Magnetism

9 What happens when light passes from air into water?

A) It speeds up

B) It slows down and

C) It disappears

D) It stays the same speed

10 What does a pulley help with?

A) Cooling air

B) Cutting things

C) Lifting heavy

D) Heating water

11 What is the formula for Ohm's law?

A) F = ma

B) V = IR

C) P = IV

D) E = mc²

12 What type of energy is in moving water?

A) Chemical

B) Nuclear

C) Kinetic

D) Potential

13 What type of energy does a moving object have?

A) Nuclear energy

B) Thermal energy

C) Kinetic energy

D) Potential energy

14 What does a prism do to white light?

A) Separates it into a

B) Makes it brighter

C) Reflects it unchanged

D) Absorbs it completely

15 What is the difference between elastic and inelastic collisions?

A) Elastic collisions conserve

B) Elastic loses energy

C) Inelastic conserves energy

D) They are identical

Quiz