Class 10th Science | Light: Reflection and Refraction | MCQ Test Online

Light: Reflection and Refraction | MCQ Set A

Name: Class:

1. A light ray is defined as:

A) A group of parallel light waves

B) The path along which light energy travels

C) A collection of photons

D) A zigzag motion of light

2. Which of the following is a luminous object?

A) Moon

B) Burning candle

C) Earth

D) Wooden table

3. Which of the following is an example of a non-luminous object?

A) Sun

B) LED bulb

C) Firefly

D) Book

4. The moon is not a source of light because it:

A) Reflects the light from the sun

B) Emits its own light

C) Does not allow light to pass through it

D) Absorbs all light

5. Which of the following correctly represents the range of visible light in the electromagnetic spectrum?

A) 100 nm - 200 nm

B) 400 nm - 700 nm

C) 700 nm - 900 nm

D) 1 mm - 10 mm

6. Which color of visible light has the shortest wavelength?

A) Red

B) Green

C) Blue

D) Violet

7. The longest wavelength in the visible spectrum corresponds to which color?

A) Yellow

B) Green

C) Red

D) Violet

8. Which of the following is an example of the conversion of light energy into chemical energy?

A) A solar panel generating electricity

B) A magnifying glass focusing sunlight to burn paper

C) Photosynthesis in green plants

D) A laser beam cutting through metal

9. What is the primary difference between a ray of light and a beam of light?

A) Light energy can be converted into chemical energy through photosynthesis.

B) Light energy cannot be absorbed by objects.

C) Light energy is only useful when it is absorbed by objects.

D) Light energy does not carry any energy.

10. Which of the following materials is the best example of a transparent medium?

A) Glass

B) Wood

C) Brick

D) Rubber

Test Results