Physics Questions and Answers
If you want to learn more about the nature and properties of matter and energy or you're simply preparing for a Physics exam, these Physics past questions and answers are ideal for you.
If you want to learn more about the nature and properties of matter and energy or you're simply preparing for a Physics exam, these Physics past questions and answers are ideal for you.
Which of the following statements about a moving object is correct?
When accelerating, the resultant force acting on it must be equal to zero.
There must always be a non-zero resultant force acting on it.
At a steady velocity, the resultant force acting on it must be equal to zero
At a steady velocity, the air resistance must be equal to zero.
Correct answer is C
No explanation has been provided for this answer.
The diagram above represents an experimental set-up for verifying?
lens formula
refraction laws
reflection laws
mirror formula
Correct answer is A
the diagram above is an experimental set up for verifying lens formula
The vacuum in a thermoflask reduces heat loss resulting from
radiation only
conduction and convection only
radiation and convection only
conduction only
Correct answer is B
The vacuum of a thermos flask prevents heat loss by conduction and convection, conduction because vacuum is a poor conductor of heat, convention because
Which of the following cases cannot produce total internal reflection? A light ray travelling from
glass to water
kerosene to air
air to water
water to ice
Correct answer is C
No explanation has been provided for this answer.
adhesive
elastic
frictional
gravitational
Correct answer is D
No explanation has been provided for this answer.