Class VII

In which of the following medium light travels fastest?
  1. Water
  2. Diamond
  3. Glass
  4. Air
Concave mirror is used as shaving mirror because it forms
  1. Real and erect image
  2. Virtual and inverted image
  3. Virtual and magnified image
  4. Real and magnified image
An object of length 5 cm is placed at a distance of 20 cm in front of a plane mirror. The size and position will be
  1. 5 cm high and 20 cm behind the mirror
  2. 5 cm high and 20 cm in front of mirror
  3. 5 cm high and 10 cm behind the mirror
  4. 3 cm high and 20 cm behind the mirror
Light rays emitted from a source travels
  1. Perpendicular to each other
  2. Parallel to each other
  3. Intersecting to each other
  4. Diagonal to each other
Virtual image formed by a concave lens is always
  1. Erect and same side of object
  2. Erect and opposite side of object
  3. Inverted and magnified
  4. Magnified and erect
Time Elapsed

HR : MIN : SEC
Question Answered
0
Score out of 100
0

Get Started!

we provide the best
services to our students

AmazingCounters.com Views

 

LKG - 12th

Rs 1,999  Annual
Plan
TOP