Light and shadow - class-VII
Description: light and shadow | |
Number of Questions: 28 | |
Created by: Nitesh Divan | |
Tags: physics light and the formation of shadows celestial shadow sights evs light and shadow light and shadows light gravitation light : reflection and refraction from plane surface light, mirrors and lenses magic with mirrors mirrors and reflections |
Lunar eclipse occurs when earth comes in between sun and the moon. Solar eclipse occurs when moon comes in between sun and earth. This suggests that:
Lunar eclipse occurs when the
The partial or complete hiding of one heavenly body by shadow of another is called
Types of eclipses:
When Earth comes in between Sun and Moon and casts its shadow on Moon. The ______ eclipse will occur.
Eclipse occurs when the Earth, Sun and Moon form:
When the Moon comes in between the Sun and Earth in a straight line, then ________ eclipse will occur.
The colour of a green leaf, when white light passing through a yellow filter is applied on it is:
The path along which light travels is called a ........
A beam of light gets reflected from a plane mirror and a real image is formed. The incident beam should be
During reflection when light gets reflected form a surface
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 :
Light waves:
Which of the following is a non-luminous body ?
Find out the only wrong statement in the following:
A green leaf placed in a dark room is illuminated by red light. The leaf will appear to be :
The path along which light travels in a homogenous medium is called the
We can see an object from every direction due to ____________ of the incident light ray on the object.
A leaf which contains only green pigments, is illuminated by a laser light of wave length 0.6328 $\mu$ m. It wound appear to be: