Question 1

The resultant amplitude for the interference of two waves is

Accepted Answer

$\sqrt{a_1^2+a_2^2+2a_1a_2\cos⁡ϕ}$

Answer

$\sqrt{a_1^2+a_2^2+2a_1a_2\cos⁡ϕ}$

Answer

$\sqrt{a_1^2+a_2^2+2a_1a_2\cos⁡ϕ}$

Answer

$\sqrt{a_1^2+a_2^2+2a_1a_2\cos⁡ϕ}$

Question 2

The resultant intensity for the interference of two waves is given by

Accepted Answer

$\sqrt{a_1^2+a_2^2+2a_1a_2\cos⁡ϕ}$

Answer

$\sqrt{a_1^2+a_2^2+2a_1a_2\cos⁡ϕ}$

Answer

$\sqrt{a_1^2+a_2^2+2a_1a_2\cos⁡ϕ}$

Answer

$\sqrt{a_1^2+a_2^2+2a_1a_2\cos⁡ϕ}$

Question 3

The resultant intensity for the interference of two waves with equal intensities is given by

Accepted Answer

$\sqrt{a_1^2+a_2^2+2a_1a_2\cos⁡ϕ}$

Answer

$\sqrt{a_1^2+a_2^2+2a_1a_2\cos⁡ϕ}$

Answer

$\sqrt{a_1^2+a_2^2+2a_1a_2\cos⁡ϕ}$

Answer

$\sqrt{a_1^2+a_2^2+2a_1a_2\cos⁡ϕ}$

Question 4

For interference of light, the path difference for the bright and dark fringes respectively are _______

Accepted Answer

$\sqrt{a_1^2+a_2^2+2a_1a_2\cos⁡ϕ}$

Answer

$\sqrt{a_1^2+a_2^2+2a_1a_2\cos⁡ϕ}$

Answer

$\sqrt{a_1^2+a_2^2+2a_1a_2\cos⁡ϕ}$

Answer

$\sqrt{a_1^2+a_2^2+2a_1a_2\cos⁡ϕ}$

Question 5

For Young’s double-slit interference distance of n^th bright fringe from the center of the screen is

Accepted Answer

$\sqrt{a_1^2+a_2^2+2a_1a_2\cos⁡ϕ}$

Answer

$\sqrt{a_1^2+a_2^2+2a_1a_2\cos⁡ϕ}$

Answer

$\sqrt{a_1^2+a_2^2+2a_1a_2\cos⁡ϕ}$

Answer

$\sqrt{a_1^2+a_2^2+2a_1a_2\cos⁡ϕ}$

Question 6

For Young’s double-slit interference distance of n^th dark fringe from the center of the screen is

Accepted Answer

$\sqrt{a_1^2+a_2^2+2a_1a_2\cos⁡ϕ}$

Answer

$\sqrt{a_1^2+a_2^2+2a_1a_2\cos⁡ϕ}$

Answer

$\sqrt{a_1^2+a_2^2+2a_1a_2\cos⁡ϕ}$

Answer

$\sqrt{a_1^2+a_2^2+2a_1a_2\cos⁡ϕ}$

Question 7

For Young’s double-slit interference, the fringe width is given by

Accepted Answer

$\sqrt{a_1^2+a_2^2+2a_1a_2\cos⁡ϕ}$

Answer

$\sqrt{a_1^2+a_2^2+2a_1a_2\cos⁡ϕ}$

Answer

$\sqrt{a_1^2+a_2^2+2a_1a_2\cos⁡ϕ}$

Answer

$\sqrt{a_1^2+a_2^2+2a_1a_2\cos⁡ϕ}$

Question 8

The ratio of slit widths is

$\frac{ω_1}{ω_2}\ =\frac{I_1}{I_2}$

Accepted Answer

true

Answer

false

Question 9

The ratio of intensity at maxima and minima is given by

Accepted Answer

$\sqrt{a_1^2+a_2^2+2a_1a_2\cos⁡ϕ}$

Answer

$\sqrt{a_1^2+a_2^2+2a_1a_2\cos⁡ϕ}$

Answer

$\sqrt{a_1^2+a_2^2+2a_1a_2\cos⁡ϕ}$

Answer

$\sqrt{a_1^2+a_2^2+2a_1a_2\cos⁡ϕ}$

Question 10

In Diffraction, angular position of n^th minimum is

Accepted Answer

$\sqrt{a_1^2+a_2^2+2a_1a_2\cos⁡ϕ}$

Answer

$\sqrt{a_1^2+a_2^2+2a_1a_2\cos⁡ϕ}$

Answer

$\sqrt{a_1^2+a_2^2+2a_1a_2\cos⁡ϕ}$

Answer

$\sqrt{a_1^2+a_2^2+2a_1a_2\cos⁡ϕ}$

Question 11

In Diffraction, angular position of n^th secondary maximum is

Accepted Answer

$\sqrt{a_1^2+a_2^2+2a_1a_2\cos⁡ϕ}$

Answer

$\sqrt{a_1^2+a_2^2+2a_1a_2\cos⁡ϕ}$

Answer

$\sqrt{a_1^2+a_2^2+2a_1a_2\cos⁡ϕ}$

Answer

$\sqrt{a_1^2+a_2^2+2a_1a_2\cos⁡ϕ}$

Question 12

In diffraction, the angular width of the central maximum is

Accepted Answer

$\sqrt{a_1^2+a_2^2+2a_1a_2\cos⁡ϕ}$

Answer

$\sqrt{a_1^2+a_2^2+2a_1a_2\cos⁡ϕ}$

Answer

$\sqrt{a_1^2+a_2^2+2a_1a_2\cos⁡ϕ}$

Answer

$\sqrt{a_1^2+a_2^2+2a_1a_2\cos⁡ϕ}$

Question 13

Fresnel distance is given by

Accepted Answer

$\sqrt{a_1^2+a_2^2+2a_1a_2\cos⁡ϕ}$

Answer

$\sqrt{a_1^2+a_2^2+2a_1a_2\cos⁡ϕ}$

Answer

$\sqrt{a_1^2+a_2^2+2a_1a_2\cos⁡ϕ}$

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