Class 10 - Science

Human Eye and Colourful World Online MCQ Test

Olympiad Level MCQs Also Included

Set-1 Set-2 Set-3 Set-4 Set-5 Set-6 Set-7 Set-8 Set-9

1. What causes the sky to appear red or orange during sunrise or sunset?

(A) Rayleigh scattering
(B) Tyndall scattering
(C) Mie scattering
(D) Greenhouse effect

2. Which color is least affected by atmospheric scattering, making it visible even at great depths in the ocean?

(A) Blue
(B) Green
(C) Red
(D) Violet

3. Which scattering phenomenon is responsible for the blue color of the sky on a clear day?

(A) Rayleigh scattering
(B) Tyndall scattering
(C) Mie scattering
(D) Ray scattering

4. Which type of scattering results from the interaction of light with particles larger than the wavelength of visible light?

(A) Rayleigh scattering
(B) Tyndall scattering
(C) Mie scattering
(D) Greenhouse effect

5. In which direction is sunlight scattered in the atmosphere during a clear, sunny day?

(A) Scattered in all directions
(B) Scattered directly upward
(C) Scattered directly downward
(D) Scattered directly eastward

6. The scattering of light by small particles that are much smaller than the wavelength of visible light is known as:

(A) Rayleigh scattering
(B) Tyndall scattering
(C) Mie scattering
(D) Greenhouse effect

7. Which scattering phenomenon is responsible for the visibility of laser beams in the air?

(A) Rayleigh scattering
(B) Tyndall scattering
(C) Mie scattering
(D) Diffraction

8. The blue color of water bodies like the ocean is mainly due to:

(A) Tyndall scattering
(B) Rayleigh scattering
(C) Mie scattering
(D) Refraction

9. What causes the sky to appear gray or white on a cloudy day?

(A) Rayleigh scattering
(B) Tyndall scattering
(C) Mie scattering
(D) Diffraction

10. Which type of scattering is responsible for the visibility of a laser beam in a dusty room?

(A) Rayleigh scattering
(B) Tyndall scattering
(C) Mie scattering
(D) Greenhouse effect