Explain the use of concave lenses in the following: medical equipment, – InterviewSolution

InterviewSolution

1.	Explain the use of concave lenses in the following: medical equipment, scanner, CD player
Answer» Solution :The uses of CONCAVE lens are: (a) medical equipment, SCANNER, CD PLAYER- These INSTRUMENTS use laser light. For proper woeking of these equipment, concave lenses are used.

Discussion

No Comment Found

Related InterviewSolutions

What is the reason for the twinkling of stars ?
The change in magnetic field lines in a coil is the cause of induced electric current in it.Name the underlying phenomenon.
Say True or False.The mass of the Earth is 6.4xx10^(6)kg.
Whichof the follwing property of a proton can changewhileit moves freelyin a mageticfield ? (There may be more thanone correct answer).
When an object is placed infront of a spherical mirror at a distance 30 cm, the magnification is -1. Illustrate the conclusions.
Does the frequency of sound waes depend on the medium in which it travels?
The relation between N (no. of molecules), P,V. & T is ...........
What is magnification of a lens ?
A person is said to be colour blind if he/ she has deficiency of rod shaped cells in retina of his eyes.
"___________" prepares the 'Red List' that contains the names of endangered species from different countries.