1. Consider the two converging lenses that are separated by a distance 20cm. Then a light bulb is placed a distance of 10cm from the first lens with a focal length of 15 cm. (a) What is the image distance for the first image? (b) What is the object distance seen by the second lens?

Q: How can one increase the magnification of a real image created by a single biconvex lens?

A: By convex lens are the combination of two convex lenses in a spherical form, In most cases the two…

Q: Why do you need greater intensity for a low-level image than a high-level one

A: Introduction:- Intensity is the amount of light or energy that is present in an image. It is usually…

Q: How does the power of a dry contact lens compare with its power when resting on the tear layer of…

A: Given:-            How does the power of a dry contact lens compare with its power when resting on…

Q: In what direction does a parallel ray from an object proceed after passing through a diverging lens?

A: a parallel ray from an object procceds towards a diverging lens as shown in the figure below :

Q: Why does a mirror reflect an image with only left/right reversal, but not top/ bottom reversal or…

A:

Q: Explain what a lens does.

A: The lens operation is explained as below,

Q: Determine happens to the image when an object is on top of the center of curvature of a converging…

A:

Dispersion of White Light

Snell’s law is a formula that gives a relation between the angle of incidence and angle of refraction and is given as: