Question

3. True/false.(correct the false statement.)
i. Most objects around us are non luminous.
ii. Light travels with the same speed in all mediums
iii. The pinhole camera works on the principle of rectilinear propagation of light
iv. A magnetic north pole attracts another north pole.
v. whenever a magnet is not in use , it should be stored along with other magnets.​

Answer 1

1- true

2- false

3- true

4- false

5-false

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Answer 2

Answer:

i. True

ii. False

iii. True

iv. False

v. True

Explanation:

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