Physics 914 MCQs [All-Courses]

Physics is a core science subject that deals with the study of matter, energy, motion, force, heat, light, electricity, magnetism, and modern physics concepts. It plays a vital role in competitive exams such as PPSC, FPSC, NTS, OTS, KPPSC, BPSC, AJKPSC, CSS, and PMS, where questions test conceptual understanding, numerical problem-solving, and application of laws and formulas.

For a gas obeying Boyles law if the pressure is doubled the volume becomes________________?

A double

B one half

C four times

D one fourth

Review Detailed Answer

Correct Answer: one half

The area enclosed by the curve ABCDA for a Carnot heat engine represents the work done by Carnot engine_______________?

A at any instant

B averagely

C during its operation

D during one cycle

Review Detailed Answer

Correct Answer: during one cycle

At what temperature is the Fahrenheit scale reading equal to twice that of the Celsius scale?

A 460°C

B 280°C

C 360°C

D 160°C

Review Detailed Answer

Correct Answer: 160°C

Standard condition STP refer to a gas at ___________________?

A 76cm 0°C

B 760mm 273K

C 1atm 273K

D all of the above

Review Detailed Answer

Correct Answer: all of the above

Which one is true for internal energy ?

A It is sum of all forms of energies associated with molecules of a system

B It is a state function of a system

C It is proportional to transnational K.E of the molecules

D All are correct

Review Detailed Answer

Correct Answer: All are correct

According to Pascals law the pressure of gas in a vessel is_____________?

A Different in different direction

B Same in all direction

C Same only along opposite directions

D Same only along normal directions

Review Detailed Answer

Correct Answer: Same in all direction

The size of one degree of Celsius is equal to_________________?

A One degree of Fahrenheit scale

B 1.8 degrees of Fahrenheit scale

C 3.2 degrees of Fahrenheit scale

D 2.12 degrees of Fahrenheit scale

Review Detailed Answer

Correct Answer: 1.8 degrees of Fahrenheit scale

The Fahrenheit and centigrade scales agree to________________?

A 40

B 15.5

C 542

D 273

Review Detailed Answer

Correct Answer: 40

Normal human body temperature 98.6°F corresponds to______________?

A 37°C

B 42°C

C 55°C

D 410°C

Review Detailed Answer

Correct Answer: 37°C

Numerical value of Boltzmanns constant is______________?

A 1.38×10-31JK-1

B 3.18×10-31JK-1

C 3.18×10-23JK-1

D 1.38×10-23JK-1

Review Detailed Answer

Correct Answer: 1.38×10-23JK-1

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Physics 914 MCQs [All-Courses]

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All Topics 914

For a gas obeying Boyles law if the pressure is doubled the volume becomes________________?

The area enclosed by the curve ABCDA for a Carnot heat engine represents the work done by Carnot engine_______________?

At what temperature is the Fahrenheit scale reading equal to twice that of the Celsius scale?

Standard condition STP refer to a gas at ___________________?

Which one is true for internal energy ?

According to Pascals law the pressure of gas in a vessel is_____________?

The size of one degree of Celsius is equal to_________________?

The Fahrenheit and centigrade scales agree to________________?

Normal human body temperature 98.6°F corresponds to______________?

Numerical value of Boltzmanns constant is______________?