Test: Light - 1
10 Questions MCQ Test NCERT Textbooks (Class 6 to Class 12) | Test: Light - 1
Light is a form of
Light is a form of energy that enable us to see the different things around us.
Splitting of white rays of light into seven colours is called
Splitting of white rays of light into seven colour when passes through a prism is called dispersion of light.
___________ help us to see the objects.
Light enable us to see the objects around us. Reflected light enters the eyes to form image on retina.
In human eyes, image is formed on
In human eyes, image is formed on retina. Retina forms the backward parts of eye ball having rods and cones to form image.
Object that emit light is called
The objects that emit light is called luminous object. Sun, stars, bulb, tube etc are example of luminous object.
Which type of lens is present in our eyes?
Human eye contain convex lens made up of crystalline protein which is elastic and flexible.
Speed of light is fastest in
Speed of light is fastest in air. Speed of light decreases with increase in density. Light travels slowest in diamond.
Band of seven colours obtained on screen after dispersion is called
The band of seven colours obtained on screen when white colour of light possesses through a prism on screen after dispersion is called spectrum.
What is the name of object through which light can pass?
The object through which light can pass easily is called transparent object. Glass, water and thin plastic sheets are transparent object.
Convex lens focus a real, point sized image at focus, the object is placed
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