Engineering Physics II Mock Test 3

10%

Question 1 of 10

1. Which of the following lines represent the resolution of a prism?

None

Question 1 of 10

Question 2 of 10

2. Light of 6000 Å is incident on a circular hole and is received on a screen 50 cm away. What is the radius of the hole, if the intensity of light on the screen is 4 times the intensity without the hole?

0.054 cm

0.025 cm

0.047 cm

0.089 cm

Question 2 of 10

Question 3 of 10

3. The direction of polarization of an electromagnetic wave is considered to be the direction of __________

Resultant of Electric field and Magnetic Field

Electric Field

Perpendicular to both Electric and Magnetic Field

Magnetic field

Question 3 of 10

Question 4 of 10

4. Light utilization efficiency of prism and grating respectively is _________

High and High

High and Low

Low and High

Low and Low

Question 4 of 10

Question 5 of 10

5. If a is the width of the slits and b the distance between the slits, then a + b is called as _________

Transparency

Grating Constant

Opacities

Grating value

Question 5 of 10

Question 6 of 10

6. What does the following graph show?

Linearly Polarized Light

Circularly Polarized Light

Unpolarized Light

Partially Polarized Light

Question 6 of 10

Question 7 of 10

7. For a glass surface, the value of polarizing angle is _________

52.7°

67.8°

57.5°

45.7°

Question 7 of 10

Question 8 of 10

8. Which of the following is a uniaxial crystal?

Mica

Borax

Selenite

Quartz

Question 8 of 10

Question 9 of 10

9. Identify X and Y.

X: Grating Y: Prism

X: Slit Y: Grating

X: Prism Y: Grating

X: Grating Y: Slit

Question 9 of 10

Question 10 of 10

10. In Fresnel diffraction, the relative phase difference between the curved wavefront is ________

Linearly increasing

Constant

Non=constant

Zero

Question 10 of 10