June 2018 Physics Regents Questions 21-30 Question Preview (ID: 59801)


Use Your Knowledge Of Physics To Answer All Questions In The Data Set. You Will Need Your Physics Reference Tables And A Calculator To Answer Some Of The Questions. Good Luck. TEACHERS: click here for quick copy question ID numbers.

A sound wave produced by a loudspeaker can travel through water, but not through a vacuum. In comparison, a red light wave produced by a laser can travel through
a) water, but not through a vacuum
b) a vacuum, but not through water
c) both water and a vacuum
d) neither water nor a vacuum

As a group of soldiers marches along a road, each soldier steps simultaneously. However, when crossing a bridge, the group does not step simultaneously in order to prevent the bridge from vibrating intensely.
a) action and reaction
b) conservation of momentum
c) inertia
d) resonance

Which characteristics of a light wave remain constant when the light wave travels from air into corn oil?
a) speed and frequency
b) wavelength and frequency
c) period and frequency
d) wavelength and period

The speed of a light ray ( f = 5.09 × 10^14 Hz) in corn oil is
a) 1.47 × 10^8 m/s
b) 2.04 × 10^8 m/s
c) 3.00 × 10^8 m/s
d) 4.41 × 10^8 m/s

The spreading out of a wave after passing through an opening in a barrier is an example of
a) diffraction
b) Doppler effect
c) reflection
d) refraction

A microwave with a frequency of 5.0 × 10^10 hertz has a period of
a) 2.0 × 10^−11 s
b) 6.0 × 10^−3 s
c) 1.7 × 10^2 s
d) 1.5 × 10^19 s

After two light waves have interfered in a vacuum, the two waves will be
a) changed in frequency
b) changed in velocity
c) changed in amplitude
d) unchanged

A glass rod is rubbed with silk. During this process, a positive charge is given to the glass rod by
a) adding electrons to the rod
b) adding protons to the rod
c) removing electrons from the rod
d) removing protons from the rod

A photon with an energy of 1.33 × 10^−21 joule has a frequency of
a) 5.02 × 10^13 Hz
b) 2.01 × 10^12 Hz
c) 8.82 × 10^14 Hz
d) 5.30 × 10^34 Hz

The speed of a car is increased uniformly from 11 meters per second to 19 meters per second. The average speed of the car during this interval is
a) 0.0 m/s
b) 15 m/s
c) 30. m/s
d) 4.0 m/s

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