Which of the following statements are correct?
(i) Sound is produced by vibrations.
(ii) Sound requires a medium for propagation.
(iii) Light and sound both require a medium for propagation.
(iv) Sound travels faster than light.

i & ii only

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i, ii & iii only

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ii, iii & iv only

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i, ii & iv only

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Solution

The correct option is A i & ii only
(i)The vibrating object sets the particles of the medium around it into vibration.
(ii)Since, sound is a mechanical wave ,it needs a material medium for its propagation and cannot travel through vacuum.

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Similar questions

Q. Question 3
Which of the following statements are correct?
(i) Sound is produced by vibrations.
(ii) Sound requires a medium for propagation.
(iii) Light and sound both require a medium for propagation.
(iv) Sound travels slower than light.

(a) i, ii and iv only
(b) i and ii only
(c) i, ii and iii only
(d) ii, iii and iv only

Q. Question 3
Which of the following statements are correct?
(i) Sound is produced by vibrations.
(ii) Sound requires a medium for propagation.
(iii) Light and sound both require a medium for propagation.
(iv) Sound travels slower than light.

(a) i, ii and iv only
(b) i and ii only
(c) i, ii and iii only
(d) ii, iii and iv only

Q. Which of the following statements are correct?
i. Sound is produced by vibrations.
ii. Sound requires a medium for propagation.
iii. The audible range of sound for humans is 10 Hz - 10 kHz.

The correct statement is :

(a) Sound and light both require medium for propagation

(b) Sound can travel in vacuum, but light can not

(d) Sound and light both can travel in vacuum.

Which among the following statements are true for unisexual flowers ?
(i) They possess both stamen and pistil
(ii) They possess either stamen or pistil
(iii) They exhibit cross-pollination
(iv) Unisexual flowers possessing only stamens cannot produce fruits

(a) (i) and (iv)
(b) (ii) (iii) and (iv)
(c) (ii) and (iii)
(d) (i), (iii) and (iv)

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Which of the following statements are correct?(i) Sound is produced by vibrations.(ii) Sound requires a medium for propagation.(iii) Light and sound both require a medium for propagation.(iv) Sound travels faster than light.

The correct option is A i & ii only(i)The vibrating object sets the particles of the medium around it into vibration.(ii)Since, sound is a mechanical wave ,it needs a material medium for its propagation and cannot travel through vacuum.

Which of the following statements are correct?
(i) Sound is produced by vibrations.
(ii) Sound requires a medium for propagation.
(iii) Light and sound both require a medium for propagation.
(iv) Sound travels faster than light.

The correct option is A i & ii only
(i)The vibrating object sets the particles of the medium around it into vibration.
(ii)Since, sound is a mechanical wave ,it needs a material medium for its propagation and cannot travel through vacuum.