Ukuran huruf
Lembar kerjaLight Chapter15 Science (Class 7)
Total soal: 15
Worksheet time: 6mins
Name the type of lens which diverges a beam of parallel rays of light.
Convex lens
Concave lens
Both of these
None of these
Select the correct properties of image formed on a spherical mirror if object is placed at C.
Real
Virtual
Erect
Inverted
At F
Rohan is provided with a concave and convex mirrors & concave and convex lens. He wants an enlarged image. He can either use:
concave mirror or concave lens
concave mirror or convex lens
convex mirror or convex lens
convex mirror or concave lens
Can you name the mirrors used as side mirrors in scooters?
(a)
Uneven surfaces show ________ reflection.
regular
perfect
irregular
informal
Laws of (a) is applicable while playing back shots in a carom board.
A concave mirror converges light rays. The converged rays meet at a point called (a) .
Changing of right side to left side is called (a) .
The inner surface of a reflector of a torch is a (a) mirror.
If the object is placed at F, where will be the image?
at F
at infinity
at C
between F and C
If the object is between F and P, in a concave mirror, how will the image be?
Virtual
Erect
Magnified
Diminished
Same size
The lens which is thinner in the middle than at the edges is called a __________.
concave lens
convex lens
Both of these
None of these
Mention the name of lens which can converge the sun’s rays to a point and burn a hole in the piece of paper.
concave lens
convex lens
Both of these
None of these
How was the quiz?
Excellent!
Perfect!
Wow!
Interesting!
Write your feedback about this quiz.
