user image

Harshita Verma

UP Board 10th Class 2021 (For Hindi Medium Students)
About UP Board Crash Course
1 year ago

An air bubble in water will act like a a. convex lens 2. concave lens 3.convex mirror 4.concave mirror

user image

Dileep Vishwakarma

1 year ago

concave lens

Recent Doubts

Close [x]