Grade 10 Physics Q2 Alternative Assessment

Which of the following best describes a wave?

• A particle moving in a straight line

• The transfer of energy through a medium or space

• A stationary object in motion

• A random pattern of motion

What is the crest of wave?

• The lowest point

• The highest point

• The point of equilibrium

• The point of reflection

In which medium does sound travel the fastest?

• Solid

• Liquid

• Gas

• Vacuum

Which color of light has the longest wavelength?

• Red

• Blue

• Green

• Violet

Which type of waves are electromagnetic waves?

• RedMechanical waves

• Transverse waves

• Longitudinal waves

• Sound waves

Which of the following is NOT a property of electromagnetic waves?

• Can travel through a vacuum

• Travel at the speed of sound

• Can be reflected

• Can be refracted

What is the speed of an electromagnetic wave in a vacuum?

• 3.0 x 10⁸ m/s

• 1.5 x 10⁸ m/s

• 5.0 x 10⁸ m/s

• 1.0 x 10⁸ m/s

Which color has the longest wavelength in the visible spectrum?

• Red

• Blue

• Green

• Violet

What is the relationship between frequency and wavelength in electromagnetic waves?

• They are unrelated

• Inversely proportional

• Directly proportional

• Equal

Which part of the electromagnetic spectrum is used in communication through radio and television signals?

• Infrared radiation

• Radio waves

• Microwaves

• Ultraviolet rays