when a beam of light passes at an oblique angle into the material of lower optical density the angle is of incidence is

What is the formula of the compound formed when ammonium ions and phosphate ions combine?

a cyclist accelerates from 0 m/s to 10 m/s in 3 seconds. what is his acceleration? is the acceleration higher than that of a car which accelerates from 0 to 40 m/s in 8seconds

What is true about the refractive index of a medium? A. It increases with an increase in angle of incidence. B. It decreases with a decrease in angle of refraction. C. It decreases with an increase in angle of incidence. D.

An inflated balloon rubbed by a piece of wool and prssed against the wall sticks. which force acts on it?

What are some forms of mechanical energy

An elastic conducting material is stretched into a circular loop of 10.7 cm radius. It is placed with its plane perpendicular to a uniform 0.803 T magnetic field. When released, the radius of the loop starts to shrink at an instantaneous rate of 81.

The height of a horse is sometimes given in units of "hands." Why was this a poor standard of length before it was redefined to refer to exactly 4in.?

A canoe is floating down a river with a velocity of 35 meters per minute when it suddenly approaches a waterfall. if the waterfall drop 30 meters, how far put will the canoe land?

A source for conducting formal research would include_ a observations b. interviews written reports d. personal ideas

Ultrasound. High-frequency sound waves (ultrasound) are used to probe the interior of the body, much as x rays do. To detect a small objects such as tumors, a frequency of around 5.10 MHz is used.