Home › Bihar Board Class 12 (Science) › Physics › Ray Optics and Optical Instruments › A thin prism of glass with n = 1.6 gives a devia…
A thin prism of glass with n = 1.6 gives a deviation of 3 degrees. Its refracting angle is:
A3 degrees
B7.5 degrees
C1.9 degrees
D5 degrees
Answer & Solution
Correct answer: D. 5 degrees
Using D = (n - 1)A, A = 3 / 0.6 = 5 degrees.
Related questions
In the Cartesian convention, heights above the principal axis are taken as:The refractive index of a pair of media depends on the:A glass lens sits in a liquid of the same refractive index. It then acts like:An equiconvex lens of glass (n = 1.5) has surfaces of radius 30 cm. Its focal length is:A diverging lens of f = -20 cm is 20 cm from an object. Rays appear to diverge from:A convex lens has f = 12 cm and an object is 18 cm away. The magnification is:For an object 10 cm from a concave mirror of radius 40 cm, reflected light seems to come fA concave mirror has f = -15 cm and an object stands 30 cm away. Reflected rays meet at: