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NCAT Practice Test - Practice Test - Physics - Waves - 2026 Quiz

Attempt 10 MCQs on NCAT Practice Test - Practice Test - Physics - Waves (Year 2026) | Quiz 7

61. A source produces 500 waves in 2 seconds. What is its frequency?



62. What type of waves can be produced in a slinky spring?



63. Which of the following does NOT require a medium?



64. Which is correct about stationary waves?



65. What is produced by superposition of two identical waves traveling in opposite directions?



66. What is the approximate speed of sound in air at room temperature (20°C)?



67. How does speed of sound change with altitude?



68. Speed of sound in air is proportional to:



69. Effect of temperature increase on speed of sound?



70. Why did Laplace introduce γ in the formula?



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