MCQ

Select the correct alternative, The angle between the normal and refracted ray is called:

  • A
    Angle of deviation
  • B
    Angle of incidence
  • C
    Angle of refraction
  • D
    None of these

Answer

  1. Angle of refraction

Explanation:

The angle formed between the normal and refracted ray at the point of refraction is called angle of refraction.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

If 2.2 kilowatt power is transmitted through a 10 ohm line at 22000 volt, the power loss in the form of heat will be

(a) 0.1 watt

(b) 1 watt

(c) 10 watt

(d) 100 watt

Magnetic field intensity at the centre of coil of 50 turns, radius 0.5 m and carrying a current of 2 A is

(a) 0.5  

(b) 1.25  

(c) 3  

(d) 4  

How is the electric field at the surface of a charged conductor related to the surface charge density?
In LCR series AC circuit.

When cathode rays (tube voltage ~ 10 kV) collide with the anode of high atomic weight then we get

(a) Positive rays

(b) X-rays

(c) Gamma rays

(d) Canal rays

An alternating voltage $\text{E}=50\sqrt{2}\sin(100\text{t})$ V is connected to a $1\mu\text{F}$ capacitor through an ac ammeter. What will be the reading of the ammeter?

Fusion reaction is initiated with the help of

(a) Low temperature

(b) High temperature

(c) Neutrons

(d) Any particle

A current carrying power line carries current from west to east. Then the direction of the magnetic field 2m above it is:
Two parallel wires carry currents of 20A and 40A in opposite directions. Another wire carying a current anti parallel to 20A is placed midway between the two wires. T he magnetic force on it will be:
  1. Towards 20A.
  2. Towards 40A.
  3. Zero.
  4. Perpendicular to the plane of the currents.
A particle executes simple harmonic motion under the restoring force provided by a spring. The time period is T. If the spring is divided in two equal parts and one part is used to continue the simple harmonic motion, the time period will:
  1. Remain T
  2. Become 2T
  3. Become $\frac{\text{T}}{2}$
  4. Become $\frac{\text{T}}{\sqrt{2}}$