Types of Object

Q.

The moon and the planets are ______ bodies.

Q.

Stars are non-luminous bodies.

1. True
2. False

Q.

Encircle the odd one out.

Give reasons for your choice: Stone, star, table, metal spoon and planet

Q. Objects that can emit light on their own are called______ objects.

1. luminous
2. opaque
3. transparent
4. non-luminous

Q. Choose the correct statements:

1. We see objects, when light emitted from the objects enter our eyes.
2. We see objects, when light reflected from the objects enter our eyes.
3. Eyes cannot see an object in the absence of light.
4. Eyes emit light rays in all direction.

1. All the statements are correct.
2. Statements 1 and 2 are correct.
3. Statements 2 and 3 are correct.
4. Statements 1, 2, and 3 are correct.

Q. If we can only see partially through an object, then such object is _____________.

1. translucent
2. transparent
3. opaque
4. luminous

Q. Pick the odd one out.

1. Sun
2. Moon
3. Star
4. Fire fly

Q.

Moon is luminous.

1. True
2. False