The curved surface of a 50-cm focal length plano-convex lens has a radius of curvature of 30 cm. What is the refractive index of the glass?
What will be an ideal response?
1.6
You might also like to view...
A mass suspended from a spring bobs up and down one complete cycle every 2 s. Its period is
A) 0.5 s. B) 1 s. C) 2 s. D) none of the above
An aluminum ball is subjected to a pressure of 
The bulk strain is 
What is the bulk modulus?
a. 
b. 
c. 
d. 
e. 
Light in air enters a diamond (n = 2.42) at an angle of incidence of 60.0°. What is the angle of refraction inside the diamond?
a. 45.6° c. 17.9° b. 24.7° d. 21.0°
An alternative statement of the uncertainly principle tells us that we cannot know precisely both
A) a particle's energy and the time during which it has this energy. B) a particle's mass and energy. C) whether a particle is a wave or whether it is truly a particle. D) a particle's momentum and its energy.