3,820 Questions

Science Questions

All Science MCQs for CTEVT entrance exam.

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ScienceEasy
Physics
Sound

Sound cannot travel through which of the following?

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ScienceMedium
Physics
Sound

If the frequency of a sound wave is 500 Hz and its speed is 340 m/s, what is its wavelength?

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ScienceMedium
Physics
Sound

What happens to the speed of sound in air as the temperature increases?

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ScienceEasy
Physics
Sound

Sounds with frequencies below 20 Hz are called what?

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ScienceMedium
Physics
Sound

Which device is used by bats to navigate and find food?

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ScienceEasy
Physics
Sound

What is the relationship between the time period (T) and frequency (f) of a wave?

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ScienceMedium
Physics
Sound

A persistence of sound after the source has stopped, caused by multiple reflections, is known as what?

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ScienceHard
Physics
Sound

How much does the speed of sound increase for every 1 degree Celsius rise in temperature near room temperature?

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ScienceMedium
Physics
Sound

Which of the following determines the quality (timbre) of a sound?

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ScienceEasy
Physics
Sound

The distance between two consecutive compressions in a longitudinal wave is called what?

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ScienceMedium
Physics
Sound

Which part of the human ear converts sound vibrations into electrical signals?

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ScienceHard
Physics
Sound

If a sound wave travels from air into water, which property remains unchanged?

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ScienceMedium
Physics
Sound

What is the speed of sound in a medium if a wave with a frequency of 2 kHz has a wavelength of 0.75 m?

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ScienceMedium
Physics
Sound

A person claps their hands near a high wall and hears an echo after 2 seconds. If the speed of sound is 340 m/s, how far is the wall?

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ScienceEasy
Physics
Sound

Which of the following materials is the best absorber of sound?

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ScienceHard
Physics
Sound

The speed of sound is faster on a humid day than on a dry day because humid air is what?

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ScienceMedium
Physics
Sound

What is the frequency of a wave with a time period of 0.05 seconds?

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ScienceEasy
Physics
Sound

Which of the following is an application of ultrasound?

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ScienceHard
Physics
Sound

What happens to the wavelength of a sound wave if its frequency is doubled while keeping speed constant?

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ScienceMedium
Physics
Sound

The phenomenon where a body vibrates with a large amplitude when forced to vibrate at its natural frequency is called what?

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