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Optics
A car travels at 50 mph for 2 hours. It then travels another 200 miles at an average of 60 mph. What was the car's average speed for the entire trip?
Optics
For normal incidence of light from a medium of refractive index 1.42 onto a medium of refractive index 1.64.calculate the refection and transmission coefficents.
Optics
What kind of polarised light will u get if two plane polarised light of amplitude but having a phase difference of 90⁰ are superposed.justify your answer.explain why unpolarised light reflected by a pile of plates is lineraly polarized?
Optics
A circular plate of radius 2cm is kept at a distance of 22cm in front of a concave mirror. The focal length of a mirror is 10cm. Calculate the perimeter of image formed if plate is kept coaxially to the principal axis. (Ans. 10/3π)
Optics
The sun is covered Buy a disc 2Cm diameter placed about 2m from the eye .if the distance from the pinhole to the screen is 50cm, find the length of the diameter of the suns image formed by the pinhole camera
Optics
If the difference between the real depth and apparent depth of a swimming pool filled with water is 1.6m, determine the depth of the pool Assume refractive index of water is 1.33
Optics
A 40hz vibration generate a wave in a ripple tank if the speed of the wave in two different length of the tank are 0.8m/s and 0.5m/s calculate the different between the lengrh.
Optics
in case of practical of refraction what will be the angle of deviation if the angle of incidence is 10, 20, 30, 40, 50, 60, 70
Optics
What is the angle of deviation when the angle of incidence is 10, 20, 30, 40, 50, 60, 70
Optics
When a plane mirror on which a ray is incident is rotated through 100, the reflected ray is rotated through what angle
