Light, Shadows and Reflections

A mirror is an example of
1. Translucent object
2. Opaque object
3. Transparent object
4. Luminous object
Which is an example of a transparent object ?
1. Wax
2. Glass
3. Milk
4. Balloon
Light travels in
1. straight line
2. curved line
3. zig-zag line
4. random directions
Which types of object do not allow light to pass through them ?
1. Luminous
2. Transparent
3. Translucent
4. Opaque
When an opague object comes in the path of light it forms
1. an image with colours
2. shadow
3. black and white image
4. an image which depends on the colour of the light
Image formed by a plane mirror is
1. upside down
2. diminished
3. laterally inverted
4. magnified
Bouncing back of light from shining surfaces is called
1. Reflection
2. Refraction
3. Bending
4. Dispersion
Out of these, which one is not a luminous body ?
1. Lamp
2. Sun
3. Firefly
4. Moon
Which letters of English alphabet will not show lateral inversion ?
1. I, O, U
2. N, Z, X
3. I, X, E
4. A, E, I
An object which comes to the path of the light is called
1. Source of light
2. Screen
3. Obstacle
4. Shadow