Optics Answers

A light beam is projected onto the left mirror, making an angle of 40 degrees below the horizontal. What is the direction of the final beam as it leaves the 3 mirrors.

1) Calculate the difference in energy between the intrinsic Fermi level and the midgap energy at T = 300 K for Si.

2) Determine the electron and hole concentrations in Si at 300 K for NA = 1016 cm-3 and ND = 3 x 1015 cm-3 . You must derive the equations used to determine the concentrations

An object 7m high is placed 15cm from a convex spherical mirror of radius 45cm describe it's imagine

What is the Power in dipoters of diverging lens of focal length 0.4m,0.1m, 80mm

What is the power in diopters of converging lens of focal length 0.5m, 2m, 0.5cm

determine the work done by a force F = xyi + yzj + xzk in taking a particle along the path defined by the equation r(t)=ti + 2t²j + t³k, 0≤t≤1 from t=0 to t=2.

A camera lens used for taking close-up photographs has a focal length of 25 mm. The farthest it can be placed from the film is 44 mm. What is the magnification of this closest object?

Suppose a 200 mm-focal length telephoto lens is being used to photograph mountains 10.0 km away.

(a) Where is the image? ______ m

(b) What is the height of the image of a 1000 m high cliff on one of the mountains? ______ m

The wavelength of light used in young's double slit experiment is 6000Å. The second and fourth bright fringes from the centre of the fringe pattern are located respectively at 10.24mm and 12.40mm, if the observation screen is placed at a distance of 1m from the slits. Calculate the separation b/w the slits.

 Calculate the apparent field of view when a 54 mm lens size frame is fitted at a vertex

distance of 12mm.