What is a virtual image ? Give one situation where a virtual image is formed.

What is a virtul image? Give one situation where a virtual image is formed.

In these question, a statement of asertion followed by a statement of reason is given .Choose the correct answer out of the following choices: Assertion and reason both are correct statements and reason is correct explanation for assertion. Assertion and reason both are correct statements but reason is not correct explanation for assertion. Assertion is correct statement but reason is wrong statement. Assertion is wrong statement but reason is correct statement. Assertion:It is impossible to photograph a virtual image. Reason:The rays which appear divergin from a virtual image fall on the camera and a real image is capture.

In these question, a statement of assertion followed by a statement of reason is given .Choose the correct answer out of the following choices: Assertion and reason both are correct statements and reason is correct explanation for assertion. Assertion and reason both are correct statements but reason is not correct explanation for assertion. Assertion is correct statement but reason is wrong statement. Assertion is wrong statement but reason is correct statement. Assertion: Virtual images are always erect. Reason: Virtual images are formed by diverging lenses only.

A spherical refrativng suurface of denser medium (mu=1.5) is placed in a rarer medium (mu=1.3) .for an object lying in rarer medium at 20 cm from the surface,the virtual image is formed at 60 cm in rarer medium.find out the radius fo cruvature of the surface.

An object is placed at a distance of 36 cm from a convex mirror.A plane mirror is placed in between, so that the two virtual images so formed coincide.If the plane mirror is at a distance of 24 cm from the object,find the radius of curvatrure of the covex mirror.

What is the height of the final image on the tower if it is formed at 25 cm?