Search SchoolNGR

Physics Past Questions and Answers

Jamb Physics Questions

Question 36:

A person standing waist-deep in a swimming pool appears to have short legs because of light?

SchoolNGR Classroom

A Diffraction
B Refraction
C Reflection
D Interference

View Answer & Explanation

Question 37:

A tuning fork having a frequency of 312 Hz emits a wave which has a wavelength of 1.10 m. Calculate the velocity of sound

SchoolNGR Classroom

A 312.0 ms\(^{-1}\)
B 110.0 ms\(^{-1}\)
C 343.2 ms\(^{-1}\)
D 686.4 ms\(^{-1}\)

View Answer & Explanation

Question 38:

When the plate area of a capacitor increases?

SchoolNGR Classroom

A The voltage can withstand increase
B The capacitance decreases
C The capacitance is unaffected
D The capacitance increases

View Answer & Explanation

Question 39:

A magnet relay is a device used for?

SchoolNGR Classroom

A Reading the magnitude of magnetic flux
B Controlling another circuit carrying larger current
C Turning in sports
D Storing magnetic field

View Answer & Explanation

Question 40:

According to kinetic molecular model in gases,

SchoolNGR Classroom

A The particles are closely packed together; they occupy minimum space are usually arranged in a regular pattern
B The particles vibrate about fixed positions and are held together by the strong intermolecular bonds between them
C The molecules are very far apart and occupy all the spaces made available to them
D The particles occur in clusters with molecules slightly further apart

View Answer & Explanation

Stay Updated

Follow us on:

Subjects