June 2024 Physics Regents Questions 21-30 Question Preview (ID: 63455)

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The angle of incidence for a ray of light striking a plane mirror is 20º. What is the angle between the incident ray and the reflected ray?

a) 20º

b) 40º

c) 70º

d) 90º

Which statement best describes the energy conversion as the mass moves from position A to position B?

a) Some of mass M’s kinetic energy is converted to elastic potential energy.

b) All of mass M’s kinetic energy is converted to elastic potential energy.

c) Some of mass M’s kinetic energy is converted to gravitational potential energy

d) All of mass M’s kinetic energy is converted to internal energy.

The north pole of the compass needle will point toward

a) A

b) B

c) C

d) D

Which circuit diagram contains a lamp that will not have current passing through it until switch S is closed?

a) 1

b) 2

c) 3

d) 4

The equivalent resistance of the circuit is

a) 1.6 ohms

b) 2.0 ohms

c) 6.0 ohms

d) 18 ohms

An object is thrown vertically upward with an initial velocity of 9.81 meters per second. What is the maximum height reached by the object? Neglect friction.

a) 1.00 m

b) 4.91 m

c) 9.81 m

d) 19.6 m

Which type of photon has the least amount of energy?

a) ultraviolet

b) visible light

c) infrared

d) radio

A 7.5-kilogram object moving at 20. meters per second strikes a 60.-kilogram object initially at rest on a horizontal, frictionless surface. The two objects stick together and move off at a speed of

a) 0.33 m/s

b) 2.2 m/s

c) 2.5 m/s

d) 18 m/s

How is the electrostatic force between two positive charges affected as the charges are brought closer together?

a) The force of attraction between them increases.

b) The force of repulsion between them increases.

c) The force of attraction between them decreases.

d) The force of repulsion between them decreases.

What is one difference between magnetic forces and gravitational forces?

a) Magnetic forces are always attractive, whereas gravitational forces are always repulsive.

b) Magnetic forces are always repulsive, whereas gravitational forces are always attractive.

c) Magnetic forces may be attractive or repulsive, whereas gravitational forces are always attractive.

d) Magnetic forces may be attractive or repulsive, whereas gravitational forces are always repulsive.

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