Random questions

Question 1

Vector

Answer 1

has both magnitude (size) and direction

Question 2

Scaler

Answer 2

is completely specified by only a magnitude (size)

Question 3

Refractions

Answer 3

Wave changes it’s direction when it goes from one medium to another with different properties, which is called refraction

Question 4

Snell’s law

Answer 4

Relates the angles of incidence and refraction to the wave speeds and wave lengths in different media

Question 5

inertia

Answer 5

is the tendency of an object to continue in it’s original motion

Question 6

newtons 1st law

Answer 6

every object stays in a state of rest or motion unless acted upon by an external force

Question 7

newtons 2nd law

Answer 7

the acceleration of an object is directly proportional to the net force acting on it and inversely proportional to it’s mass

Question 8

newtons 3rd law

Answer 8

every action there is an equal and opposite reaction

Question 9

energy by convection

Answer 9

refers to the transfer of heat through the movement of fluids (liquids or gases).