SEBA Class 7 Science MCQ Chapter 4 Fun with Light: Shadow and Reflection

SEBA Class 7 Science MCQ Chapter 4 Fun with Light: Shadow and Reflection Solutions English Medium As Per SCERT New Syllabus to each chapter is provided in the list so that you can easily browse through different chapters SEBA Class 7 Science MCQ Chapter 4 Fun with Light: Shadow and Reflection Notes and select need one. SEBA Class 7 Science Miltiple Choice Notes in English Download PDF. SCERT Class 7 Science Objective Type Solutions in English.

SEBA Class 7 Science MCQ Chapter 4 Fun with Light: Shadow and Reflection

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Fun with Light: Shadow and Reflection

Chapter: 4

PART – I

MCQ

Choose the Correct Option:

1. Which of the following is a natural source of light?

(a) Candle.

(b) Sun.

(c) Electric bulb.

(d) Torch light.

Ans: (b) Sun.

2. The phenomenon in which living organisms emit light is called:

(a) Reflection.

(b) Lateral inversion.

(c) Bioluminescence.

(d) None.

Ans: (c) Bioluminescence.

3. Which of the following is a luminous object?

(a) Moon.

(b) Firefly.

(c) Mirror.

(d) Table.

Ans: (b) Firefly.

4. Why is the moon not called a luminous object?

(a) It has no light of its own.

(b) It absorbs light.

(c) It is transparent.

(d) It is very small.

Ans: (a) It has no light of its own.

5. How does light travel?

(a) Curved path.

(b) Straight line.

(c) Zig-zag path.

(d) None.

Ans: (b) Straight line.

6. Objects through which light passes completely are called:

(a) Opaque objects.

(b) Translucent objects.

(c) Transparent objects.

(d) Reflectors.

Ans: (c) Transparent objects.

7. Which is an example of an opaque object?

(a) Glass tumbler.

(b) Wooden piece.

(c) Polythene.

(d) Water.

Ans: (b) Wooden piece.

8. Fog or smoke belongs to which category?

(a) Transparent.

(b) Opaque.

(c) Translucent.

(d) Luminous.

Ans: (c) Translucent.

9. Which is NOT required for the formation of shadow?

(a) Source of light.

(b) Opaque object.

(c) Screen.

(d) Mirror.

Ans: (d) Mirror.

10. The colour of a shadow is always:

(a) Same as object.

(b) Always black.

(c) White.

(d) Red.

Ans: (b) Always black.

11. The round patches of light seen under a tree in sunlight are actually:

(a) Shadow of the sun.

(b) Shadow of leaves.

(c) Images of the sun formed by natural pinhole camera.

(d) Image of moon.

Ans: (c) Images of the sun formed by natural pinhole camera.

12. The image formed in a pinhole camera is:

(a) Erect and same size.

(b) Inverted.

(c) Only black.

(d) Not visible.

Ans: (b) Inverted.

13. Bouncing back of light from a smooth surface is called:

(a) Refraction.

(b) Reflection.

(c) Absorption.

(d) Rectilinear propagation.

Ans: (b) Reflection.

14. The image formed by a plane mirror is:

(a) Inverted and small.

(b) Erect and same size.

(c) Erect and bigger.

(d) Inverted and bigger.

Ans: (b) Erect and same size.

15. If you raise your right hand in front of a mirror, the image raises:

(a) Right hand.

(b) Left hand.

(c) Both hands.

(d) None.

Ans: (b) Left hand.