Exam Topics

________- forms a temporary magnet, wrap the steel bar with a solenoid.

________ which strikes the ground, is lost as heat and sound.

________ Waves- transmit energy by motion at right angles to or across the direction in which the energy is moving.

________- sound waves with a frequency higher than human audibility (20, 000Hz)

________- sound waves with a frequency below human audibility (20Hz)

________ pass easily through flesh but not through bone.

________ then occurs in the coil producing the alternative voltage.

Every action has an equal and ________.

________= weight x change in height.

________= (energy)/mass x temperature.

It deflects a pointer in response to an electric current flowing through a coil in a s= ________.

Reflected ________- light ________ which bounces off the mirror.

Sound is a(n) ________.

upward force

backward force

forward force

gravitational force

Scalar

Vector

transmit energy in the same direction as the wave

transmit energy by motion at right angles to or across the direction in which the energy is moving

the perpendicular to the mirror at the point where the incident ray strikes it

light ray which hits the mirror

light ray which bounces off the mirror

the angle between the incident ray and the normal

the angle between the reflected ray and the normal

stroking an un-magnetized material in one direction only, with a magnet, lines up each domain, so that they are all ‘pointing in the same direction

a magnetic pole induces an unlike pole near it and a like pole away from it

forms a temporary magnet, wrap the steel bar with a solenoid

sound waves with a frequency below human audibility (20Hz)

sound waves with a frequency higher than human audibility (20,000Hz)