I. Moon.
II. Sun.
III.street light.
...
I. Moon.
II. Sun.
III.street light.
IV. stars.
Which of these are natural sources of light?
II, III, and IV only
I, II and III only
III and IV only
II and IV only
Correct answer is D
The sun and stars are self luminous object.
The symbol −10X used to represent which of the particles?...
The image formed by a concave mirror is real, inverted and magnified, when object is placed ...
Which of the following cannot be explained by the molecular theory of matter? ...
Which of the following statements about wave motion is correct? ...
When a radioactive substance undergoes a beta decay, its ...
What part of a camera functions in a similar way to the retina of the eye? ...