General Knowledge: Physics Questions Answer GK Quiz

Physics Question Answer 2024, Physics Quiz Questions 2024

Q. The bandwidth required for commercial telephonic commu­nication (speech signals) is -
1) 300 MHz
2) 30 kHz
3) 4.2 MHz
4) 2800 Hz

View Answer

Q. To hear a distinct echo, the time interval between the original sound and the reflected one must be at least -
1) 0.01 s
2) 0.1 s
3) 1.0s
4) 10 s

View Answer

Q. Which of the following slows down the reaction rate?
1) Heterogeneous catalyst
2) Homogeneous catalyst
3) Catalytic promoter
4) None of the above

View Answer

Q. Current density is -
1) dimensionless
2) a vector quantity
3) a scalar quantity
4) None of the above

View Answer

Q. An AC current can be produced by -
1) transformer
2) dynamo
3) choke coil
4) None of the above

View Answer

Q. Two objects of different masses falling freely near the surface of the Moon would -
1) undergo a change in their inertia
2) have same velocity at any instant
3) experience forces of same magnitude
4) have different accelerations

View Answer

Q. Which of the following liquids is a bad conductor of electri­city?
1) Lemon juice
2) Orange juice
3) Salted water
4) None of the above

View Answer

Q. A photoelectric cell is a device which -
1) stores light energy
2) converts electric energy into light energy
3) converts light energy into electric energy
4) None of the above

View Answer

Q. The image formed by the concave mirror is real, inverted, and of the same size as that of the object. The position of the object should be -
1) at the centre of curvature
2) between the focus and centre of curvature
3) beyond the centre of curvature
4) at the focus

View Answer

Q. Myopia and Hypermetropia can be respectively corrected by -
1) Plano-concave and Cylin­drical lens
2) Convex and Concave lens
3) Concave and convex lens
4) Concave and Cylindrical lens

View Answer
  • Contribute to our Site

    If you contribute your content to our site. Please mail us your content to editor@onlinegk.net

Follow us on Social Media