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MCQ Questions for Class 6 Science with Answers
Q1. Which types of objects do not allow light to pass through them?
(i) Translucent
(ii) Opaque
(iii) Transparent
(iv) Penumbra
(ii) Opaque
Q2. In sky, earth and moon are:
(i) Opaque
(ii) Translucent
(iii) Transparent
(iv) None of these
(i) Opaque
Q3. The object which does not have light of its own is
(i) shining mirror
(ii) light bulb
(iii) star
(iv) lighted match box
(i) shining mirror
Q4. The speed of light is
(i) 299,792 km/s.
(ii) 299,792 m/s
(iii) 29,792km/s
(iv) 29,792 m/s
(i) 299,792 km/s.
Q5. Bouncing back of light from shining surfaces is called
(i) Reflection
(ii) Refraction
(iii) Bending
(iv) Dispersion
(i) Reflection
Q6. Those objects give out light of its own are known as:
(i) Opaque
(ii) Transparent
(iii) Luminous
(iv) Translucent
(iii) Luminous
Q7. A torch is a
(i) luminous
(ii) non-luminous
(iii) both of these
(iv) none of these
(i) luminous
Q8. Which of the following is not a luminous object
(i) Unlit candle
(ii) Burning gas lantern
(iii) Glow worm
(iv) Sun
(i) Unlit candle
Q9. Which letters of English alphabet will not show lateral inversion?
(i) I, O, U
(ii) N, Z, X
(iii) I, X, E
(iv) A, E, I
(i) I, O, U
Q10. The object that emits light is called a:
(i) Light
(ii) Shadow
(iii) Reflection
(iv) Source of light
(iv) Source of light
Q11. Objects that do not give out or emit light of their own are called
(i) luminous
(ii) non-luminous
(iii) opaque
(iv) translucent
(ii) non-luminous
Q12. Stars are
(i) Non luminous bodies
(ii) Luminous bodies
(iii) Artificial sources of light
(iv) Opaque bodies
(ii) Luminous bodies
Q13. Which of the following is a cold source of light?
(i) Firefly (Jugnu)
(ii) Tube light
(iii) The sun
(iv) Electric bulb
(i) Firefly (Jugnu)
Q14. What is needed to see shadow ?
(i) Source of light
(ii) Screen
(iii) An opaque object
(iv) All of these
(iv) All of these
Q15. The objects which allow light to pass through them are called
(i) transparent
(ii) opaque
(iii) translucent
(iv) none of these
(i) transparent
Q16. Wool is a
(i) Transparent medium
(ii) Opaque medium
(iii) Translucent medium
(iv) Optical medium
(ii) Opaque medium
Q17. Out of these, which one is not a man-made luminous body?
(i) Electric bulb
(ii) Burning candle
(iii) Firefly (Jugnu)
(iv) Oil lamp
(iii) Firefly (Jugnu)
Q18. When the pinhole box is pointing to sun then its shadow will be:
(i) Longest
(ii) Same
(iii) Shortest
(iv) None of these
(iii) Shortest
Q19. Glass sheet is a/an
(i) transparent object
(ii) opaque object
(iii) transparent object
(iv) none of these
(iii) translucent
Q20. Which of the following will not form circular shadow
(i) Shoe box
(ii) A ball
(iii) A circular disk
(iv) Ice-cream cone
(i) Shoe box
Q21. Substances like glass, through which light passes easily, are said to be:
(i) Shadow
(ii) Reflection
(iii) Transparent substances
(iv) None of these
(iii) Transparent substances
Q22. Which of the following are transparent or allows light to pass through it?
(i) Rubber
(ii) Glass
(iii) Copper
(iv) Wood
(ii) Glass
Q23. Mist is a
(i) Translucent medium
(ii) Transparent medium
(iii) Opaque medium
(iv) Homogenous medium
(i) Translucent medium
Q24. Light travels in line.
(i) Straight
(ii) Round
(iii) Curve
(iv) All of these
(i) Straight
Q25. Objects which does not allow light to pass through them are called
(i) opaque objects
(ii) transparent objects
(iii) translucent objects
(iv) none of these
(i) opaque objects
Q26. This takes place from smooth polished surface when a beam of light falls on it
(i) Reflection
(ii) Absorption
(iii) Refraction
(iv) Radiation
(i) Reflection
Q27. When light rays are stopped by an opaque object then are produced.
(i) Reflection
(ii) Shadow
(iii) Refraction
(iv) Umbra
(ii) Shadow
Q28. Which is an example of a translucent object?
(i) A thin glass sheet
(ii) A thin paper sheet
(iii) A thin iron sheet
(iv) A thin wooden sheet
(ii) opaque object
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