A transparent plastic bag filled with air forms a concave lens. Now, if this bag is completely immersed in water, then it behaves as

A transparent plastic bag filled with air form a concave lens. Now, if this bag is completel immersed in water, then it behaves as ......

A soft plastic bag of weight w_(0) is filled with air at STP Now, weigth of the bag is w in air. Then,

A body weighs 550 gf in air and 370 gf in water when it is completely immersed in water. Find the upthrust on the body.

A convex lens of glass has power P in air. If it is immersed in water its power will be

A concave mirror and a convex lens are of the same focal length in air. When they are immersed in water

An air bubble which is considered as biconvex air lens in water behaves as a

A concave mirror of radius of curvature 40cm forms an image of an object placed on the principal axis at a distance 45 cm in front of it. Now if the system (including object) is completely immersed in water (mu=1.33) , then

A concave mirror of radius of curvature 40cm forms an image of an object placed on the principal axis at a distance 45 cm in front of it. Now if the system (including object) is completely immersed in water (mu=1.33) , then

A lens of any transparent material in air will behave as