Assertion : In Young’s experiment, the fringe width for dark frin… - Vidyadip

Question

Assertion : In Young’s experiment, the fringe width for dark fringes is different from that for white fringes.

Reason : In Young’s double slit experiment the fringes are performed with a source of white light, then only black and bright fringes are observed.

(a) If both assertion and reason are true and the reason is the correct explanation of the assertion.

(b) If both assertion and reason are true but reason is not the correct explanation of the assertion.

(c) If assertion is true but reason is false.

(d) If the assertion and reason both are false.

✓

Answer

(d) If the assertion and reason both are false.

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

Explore more

More "M.C.Q [1M]" from Wave Optics→Wave Optics — all question types→Physics STD 12 Science question papers→Bihar Board STD 12 Science question papers→Bihar Board question paper generator→

Similar questions

Four charges are kept at the corner points of a square. The net force on a charge kept at the center of the square is _________?

The permanent magnetic moment of the atoms of a material is zero. The material:

Must be paramagnetic.
Must be diamagnetic.
Must be ferromagnetic.
May be paramagnetic.

Two waves of equal amplitude A, and equal frequency travel in the same direction in a medium. The amplitude of the resultant wave is:

0
A
2A
Between 0 and 2A

The transition from the state n = 4 to n = 3 in a hydrogen-like atom results in ultraviolet radiation. Infrared radiation will be obtained in the transition

(a) 2 → 1

(b) 3 → 2

(c) 4 → 2

(d) 5 → 4

The perpendicular distance between the original path of the incident ray and the convergent ray of light coming out of a glass slab is called:

Assertion : The stars twinkle while the planets do not.

Reason : The stars are much bigger in size than the planets.

(a) If both assertion and reason are true and the reason is the correct explanation of the assertion.

(b) If both assertion and reason are true but reason is not the correct explanation of the assertion.

(c) If assertion is true but reason is false.

(d) If the assertion and reason both are false.

In a parallel plate capacitor, the capacity increases if:

The intensity of electric field at a point between the plates of a charged capacitor

(a) Is directly proportional to the distance between the plates

(b) Is inversely proportional to the distance between the plates

(c) Is inversely proportional to the square of the distance between the plates

(d) Does not depend upon the distance between the plates

Energy of a charged conductor is :

125 identical drops each charged to the same potential of 50 volts are combined to form a single drop. The potential of the new drop will be

(a) 50 V

(b) 250 V

(c) 500 V

(d) 1250 V