The phenomenon of inducing a voltage by changing the magnetic field around a conductor is called __________.

By accelerating the magnet inside the coil, the current in it will _________.

A square loop of wire with 10 turns and a side length of 1 m is placed in a changing magnetic field. If the magnetic field changes from 2 T to 4 T within 8 seconds, what is the average induced emf?

A 500-turn solenoid develops an average induced voltage of 60 V. Over what time interval must a flux change by 0.06 Wb occur to produce such a voltage?

Faraday’s laws of electromagnetic induction are related to:

How can you tell one form of electromagnetic energy from another?

The region of the electromagnetic spectrum where humans can detect electro magnetic radiation is____________.

Electro magnetic energy can be described by ____________.

Which of the following color has the longest wavelength?

In _______, a wave reaches a boundary and changes direction as it passes into another medium

Which describes the refracted ray when light at a certain angle passes from a less dense to a denser medium?

A ray of light travels from air into liquid at an angle of incidence of 30degrees. If it is deviated by 10 degrees, what is the index of refraction of light in the liquid?

Suppose a layer of oil (refractive index is 1.45) floats on water (refractive index is1.33). If a ray of light shines onto the oil with an incidence angle of 40 degrees , what is the angle formed between the ray and the surface of the water?

How a ray is refracted at the interface between two materials of different indices or refraction (n₁ and n₂) is given by __________.

It is the force of attraction and repulsion of a magnetic material due to the arrangement of its atoms, particularly its atoms.

If you cut a magnet in half, you will have _______ magnet/s.

Light traveling through an optical fiber (n=1.44) reaches the end of the fiber and exits into air.  If the angle of incidence on the end of the fiber is 30°, what is the angle of refraction outside the fiber?

Abeam of flashlight traveling in air incident on a surface of a thin glass at an angle of 38∘ with the normal. The index of refraction of the glass is 1.56. What is the angle of refraction?

A boy is in a pool and shines a flashlight toward the level of it at a 35∘ angle to the vertical. At what angle does the flashlight beam leave the pool? (the index of refraction of glass is 1.33).

Light travels from air into an optical fiber with an index of refraction of 1.44.  In which direction does the light bend?