Questions


October 2022 1 3 Report
Which factor does not affect the speed of
sound?
A Temperature
C. Density
B. Distance
D. Elasticity
2. What happens to the speed of sound when the
temperature decreases?
A. The speed of the sound will travel fast.
B. The speed of the sound will travel
moderately.
C. The speed of the sound will travel slow.
D. The speed of the sound will stop.
3. What happens to the speed of sound when
temperature increases?
The speed of the sound will travel fast.
B. The speed of the sound will travel
moderately.
C. The speed of sound will travel slow.
D. The speed of sound will stop.
4.
Where does sound travel faster?
A in warm air
C. In open air
B. In cold air
D. In close air
5. Which is not a primary color of light?
A Blue
C. Red
B. Green
D. Yellow
6. What is the outermost color of a rainbow?
A Blue
C. Red
B. Orange
D. Violet
7. What is needed for heat to be transferred
between two bodies in contact?
A. They must have different latent heats
B. They must have different masses
C. They must have different specific heat
D. They must have different temperatures
v
8. What happens to a substanca when heated?
A Expand
C. Remains the same
B. Contract
D. Expand and then
contract
9. Which of the following is true about the colors of
light?
A The shorter the wavelength, the lesser the
energy
B. The lower the wavelength, the lesser the
refractive Index
C. The longer the wavelength, the greater the
energy.
D. The higher the wavelength, the lesser the
refractive index
10. Which of the following wavelength order of
visible light are from shortest to longest?
A BIG ROY
C. ROY GBIV
B. GIVRYOB
D.VIB GYOR
11. What happens to a substance when cooled?
A Expand
C. Remains the
8. Contract
D. Expand and
then contract
12. Why do metals easy to heat up and cool down?
A Because most metals have low specific
heat capacities.
B. Because most metals have high specific
heat capacities
C. Because most metals have high heat
tolerance
D. Because most metals have low heat
tolerance.
13. Which of the following statements best explains
why you can hear noises long distances at
night?
A. There are fewer other noises at night.
B. Water conducts sound better at night.
C. Sound bounces off water better at night.
D. Sound waves are bent towards the cool air.
14. Which of the following is true about the effect of
temperature to the rate of how sound travels?
A. Temperature increases the speed of
sound.
B. Temperature decreases the speed of
sound,
C. Warmer particles move at a constant rate.
D. Warmer particles move at a slower rate.
15. Which among the color of the visible spectrum
refracted the most, as a ray of light passes
through a prism and dispersion occurs?
A. Yellow
C. Green
B. Red
D. Violet
16. Which among the colors of white light has the
shortest wavelength and highest frequency?
A. Blue
C. Violet
B. Indigo
D. Green
17. What happens to the size of a hole cut in a
metal plate, when plate is then heated?
A. Decreases
C. Remains the
same
B. Increases
D. Increases and
then decreases
18. Why is water usually used as cooling agent?
A. Because water has a very high specific
heat capacity.
B. Because water has a very low specific
heat capacity.
C. Because water has a moderate
specific heat capacity.
D. Because water has an average
specific heat capacity.​​

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