Chemistry, asked by raushankumar40418, 4 months ago

Short Answer Questions.
Give four examples of objects that act as
sources of light.
2. How much time does light take to reach
the Earth from the Sun?
3. What is meant by 'rectilinear propagation
of light?

Answers

Answered by aayushi2256

Answer:

1.the Sun, stars and candles. A few examples of artificial light sources include light bulbs, lamp posts and televisions.

2.Light from the Sun takes about 5 and 1/2 hours to reach it and roughly the same time to return to Earth

3.Rectilinear propagation of light refers to the propensity of light to travel along a straight line without any interference in its trajectory. ... When light travels through a medium, say air or water, it follows a straight line.

Explanation:

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Answered by shrutivk

Explanation:

Ans 1) Four sources of light are :-

Sun
Star
Bulb
Electric Light

Ans 2) Light takes 8 minutes and 20 seconds to reach the Earth from Sun .

Ans 3) Rectilinear Propagation of Light refers to the propensity of light to travel along a straight line without any interference . Eg :- Formation of Shadows

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