Physics
Practice Physics MCQs from the Science syllabus.
What happens to the speed of sound in air as the temperature increases?
What is the relationship between the time period (T) and frequency (f) of a wave?
A persistence of sound after the source has stopped, caused by multiple reflections, is known as what?
How much does the speed of sound increase for every 1 degree Celsius rise in temperature near room temperature?
Which of the following determines the quality (timbre) of a sound?
The distance between two consecutive compressions in a longitudinal wave is called what?
Which part of the human ear converts sound vibrations into electrical signals?
If a sound wave travels from air into water, which property remains unchanged?
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?
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?
The speed of sound is faster on a humid day than on a dry day because humid air is what?
What is the frequency of a wave with a time period of 0.05 seconds?
What happens to the wavelength of a sound wave if its frequency is doubled while keeping speed constant?
The phenomenon where a body vibrates with a large amplitude when forced to vibrate at its natural frequency is called what?
In a longitudinal wave, the region where particles are spread apart is called what?
What is the speed of sound in air at 25 degrees Celsius, assuming it is 332 m/s at 0 degrees Celsius?