(A) Low temperature only
(B) High temperature only
(C) Room temperature only
(D) All temperatures
Answer: (D) All temperatures
Category: Physics MCQs
A fan in a vacuum cleaner:
(A) Lowers the pressure in the bucket
(B) Increases the pressure in the bucket
(C) Lowers the pressure in the surrounding
(D) Maintains constant air pressure in bucket
Answer: (A) Lowers the pressure in the bucket
According to Archimedes, upthrust is equal to:
(A) Weight of displaced liquid
(B) Volume of displaced liquid
(C) Mass of displaced liquid
(D) Density of the displaced liquid
Answer: (A) Weight of displaced liquid
Water reaches to the magma that changes water into steam. The steam contains:
(A) Geothermal energy
(B) Chemical energy
(C) Nuclear energy
(D) Electric energy
Answer: (A) Geothermal energy
