999+ Physics Questions Answers Explanation MCQ

Q:

Friction is caused by the ______________ on the two surfaces in contact.

A) irregularities	B) smoothness
C) densities	D) gaps

Answer & Explanation Answer: A) irregularities

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

1 1443

Q:

The instrument used for measuring air pressure is called .....

A) Anemometer	B) Barometer
C) Hygrometer	D) Thermometer

Answer & Explanation Answer: B) Barometer

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

2 1443

Q:

Which of the following is NOT based on principle of relationship between volume and pressure of air?

A) Fountain pen	B) Bicycle pump
C) Hand pump	D) Pulley

Answer & Explanation Answer: D) Pulley

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

1 1439

Q:

The instrument that measures the ______________ is called an anemometer.

A) wind speed	B) pressure
C) humidity	D) rainfall

Answer & Explanation Answer: A) wind speed

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

0 1435

Q:

Blocking in experimental design is useful because it

A) keeps the experimenter from knowing which subjects are in the treatment group.	B) prevents response bias from entering into the experiment.
C) gives the quarterback enough time to throw the ball.	D) controls for multiple variables in an experiment.

Answer & Explanation Answer: D) controls for multiple variables in an experiment.

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

0 1425

Q:

Echocardiogram is more closely related to

A) Doppler effect	B) Zeeman effect
C) Photoelectric effect	D) Magnetic effect

Answer & Explanation Answer: A) Doppler effect

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

1 1423

Q:

Which type of electromagnetic radiation has the longest wavelength?

A) UV rays	B) Radio waves
C) X rays	D) Infrared waves

Answer & Explanation Answer: B) Radio waves

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

2 1418

Q:

An echo is returned in 3 s. What is the distance of the reflecting surface from the source, considering the speed of sound as $342 {ms}^{- 1}$ ?

A) 513 m	B) 644 m
C) 342 m	D) 171 m

Physics Questions

Quick Links