Tag: elementary ideas of astronomy
Questions Related to elementary ideas of astronomy
If a plane mirror makes an angle of ${120^0}$ with x-axis, then a ray of light, incident on it along x-axis, after reflectionmay pass through point.
When red glass is heated in dark room, it will seem:
Light shows:
We can see the objects only when:
A narrow beam of light that is moving in a defined direction is:
We cannot see anything in a dark room because:
We are able to see objects because
The statment that is true about 'Light' is
Which of the following describes an object that allows no light to pass through it ?
The path along which light travels in a homogeneous medium is called a :