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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.

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816.

The pressure applied to an enclosed fluid to one end id transmitted equally throughout the fluid and to the container walls. This statement is

Archimede's principle

Bernoulli's principle

Pascal's principle Heisenberg's

Heisenberg's uncertainty principle

View answer & explanation

Correct answer is C

No explanation has been provided for this answer.

817.

Which of the following units is the S.I. unit of heat capacity?

Jkg^-1

Jkg^-1 K^-1

JK^-1

Jg^-1K^-1

View answer & explanation

Correct answer is C

Heat capacity = $\frac{\text{Heat energy supplied}}{\text{Rise in temperature}}$

= JK $^{-1}$

818.

Which of the following concepts is a method of heat transfer that does not require a material medium?

conduction

radiation

diffusion

convection

View answer & explanation

Correct answer is B

No explanation has been provided for this answer.

819.

In an experiment in which a molten substance is allowed to cool, the cooling curve above was obtained. The temperature 60oC is known as the

vaporization point

cooling temperature

boiling point

melting point

View answer & explanation

Correct answer is D

No explanation has been provided for this answer.

820.

A battery of emf 24V is connected to three resistor P, Q and R as illustrated in the diagram. Determine the voltage across the resistor Q

10v

14v

24v

View answer & explanation

Correct answer is B

E - V₁ + V₂

24V = 14V + VQP

VQP = 4 + 14V

VQP =10V

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