Cover Work (Waves)

Q1. Which arrow shows the amplitude of this wave?

• A
• B
• C
• D

Q2. Which two arrows show the wavelength of this wave?

• A
• B
• C
• D

Q3. The vertical scale is 1 square = 5 mm The horizontal scale is 1 square = 0.25 s What is the period of this wave?

• 0.25 s
• 0.50 s
• 0.75 s
• 1.0 s

Q4. The vertical scale is 1 square = 5 mm The horizontal scale is 1 square = 0.25 s What is the amplitude of this wave?

• 5 mm
• 10 mm
• 15 mm
• 20 mm

Q5. Which of the following statements is true?

• Sound is a transverse wave.
• Transverse waves have oscillations parallel to the direction of energy transfer.
• Earthquakes can produce both longitudinal and transverse waves.
• Light has the same speed in all media.

Q6. The distance traveled by a wave in one period is called?

• Period
• Frequency
• Wavelength
• Amplitude

Q7. The period of a wave is doubled when the wavelength remains the same. What happens to the speed of the wave?

• It doubles
• Remains unchanged
• It halves
• It increases

Q8. The frequency of a wave increases when the speed remains the same. What happens to the distance between two consecutive crests?

• It increases
• It decreases
• Stays unchanged
• It increases first and then decreases

Q9. If the speed of light in the air is 3 × 10⁸ m/s, what is the period of a 3 cm microwave?

• 0.000000001 s
• 0.0000000001 Hz
• 0.0000000001 s
• 10000000000 Hz

Q10. What does the term 'wavefront' refer to?

• The distance between adjacent points with identical displacements
• A line where all oscillations are in phase
• The speed of the wave
• The amplitude of the wave