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Two beams of red and violet colours are made to pass separately through a prism of A = 60°. In the minimum deviation position, the angle of refraction inside the prism will be
(A) greater for violet colour
(B) 30° for both the colours
(C) greater for red colour
(D) equal but not 30° for both the colours
A 14kg projectile is launched at 380m/s at a 55 (degrees) angle to the horizontal. At the peak of its trajectory it collides with a second projectile moving horizontally, in the opposite direction, at 140m/s . The two stick together and land 9.8km ho..
consider a single cell supporting 300 active users uniformly distributed within the cell and make simultaneous access
A two-component beam of light, consisting only of two wavelengths 650 nm and 520 nm, is used to determine interference fringes in a double-slit experiment. Obtain the smallest angular displacement from the central maximum where the centers of the ..
Two light sources individually provide intensity I0 at a point. evaluate what is the intensity at that point
a concave mirror has a focal length of 15.0 cm. An object is placed 18.5 cm in front of the mirror. How tall is the object placed in front of the mirror
A small insect viewed through a convex lens is 1.5 cm from the lens and appears three times its actual size. What is the focal length of the lens?
Your summer co-op is working as a safety inspector for NOAA. You are inspecting a submarine they will be using and they want to know the maximum safe depth it can operate at. What is the submarines maximum safe depth
varying coefficient of friction a box is sliding with a speed of 4.50 ms on a horizontal surface when at point p. it
A circular hoop of radius 75 cm is hung on a narrow horizontal rod and allowed to swing in the plane of the hoop. What is the period of its oscillation, assuming that the amplitude is small?
The radius of a typical human eardrum is about 4.0 mm. Find the energy per second received by an eardrum when it listens to sound that is at the threshold of hearing. Find the energy per second received by an eardrum when it listens to sound that is..
A 30 nC charged particle and a 50 nC charged particle are near each other. what is the magnitude of the electric field at its original position
A circuit in a small appliance operates on a current of 1.5 mA. How many electrons enter and leave this part of the appliance in 5.0 s
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