Waves and Optics

What type of image is formed by the humane eyes?

• Upright and Virtual

• Upright and Real

• Inverted and Virtual

• Inverted and Real

Which type of lens do the camera and human eyes alike have?

• Concave lens

• Spherical lens

• Plain lens

• Convex lens

Which best describe the propagation of electric field in relation to the propagation of the magnetic field and wave motion?

• The propagation of the electric field is perpendicular to the direction of the magnetic field but parallel to the propagation of the wave motion.

• The propagation of the electric field is perpendicular to the direction of the magnetic field and wave motion.

• The propagation of the electric field is parallel to the direction of the magnetic field but perpendicular to the propagation of the wave motion.

• The propagation of the electric field is parallel to the direction of the magnetic field and wave motion.

What is created by changing magnetic field?

• voltage

• current

• magnetic field

• resistance

Which property of light is described when light separate into bands of color as it passes through the prism?

• Dispersion

• Diffraction

• Reflection

• Rarefaction

Which of the following electromagnetic waves has the strongest ionizing capability?

• Radio waves

• X-rays

• Microwaves

• Gamma rays

Colors are the characteristics of what type of wave in the electromagnetic spectrum?

• Visible light

• Microwaves

• Infrared

• Ultra violet waves

The loudness of the sound is dependent upon which property of waves?

• frequency

• amplitude

• wavelength

• Period

The pitch of the sound is dependent upon what property of wave?

• wavelength

• period

• amplitude

• frequency

Which is true about the propagation of sound waves in different media?

• Sound waves travel fastest among liquid media.

• Sound waves travel faster in vacuum than concrete walls.

• Sound waves travel the slowest among solid media.

• Sound waves do not travel in vacuum space.