A. 10 Hz to 10,000 Hz.
B. 20 Hz to 20,000 Hz.
C. 30 Hz to 30,000 Hz.
D. 40 Hz to 40,000 Hz.
Submitted by: Muhammad Zubair
Correct Answer: B. 20 Hz to 20,000 Hz. ✔
Last Updated: October 11, 2018
Related MCQs
- Adult human brain is about_________% of the total body weight.
- Which blood cells are called ‘Soldiers’ of the body?
- In Fishes excretory Product is__________?
- What is the weight of the average human brain?
- Telephone was invented by__________?
- The Sun is at an average distance of about________ million kilometers away from Earth?
- UPS is now widely use in households. What does UPS stands for ?
- Which rays are trapped in our galaxy by magnetic waves?
- According to Einsteins general theory of relativity the universe:__________?
- There is no connection of supernova explosion with__________?
- Echo is a __________ of sound?
- Which stone floats on water?
- According to many, including the Guinness Book of World Record,________is the world’s rarest mineral?
- Which of the following disease is spread by Fleas?
- A dolphin perceives its environment by the sense of__________?
- The Temperature of the surface of Sun is_______?
- Mass of Earth is__________?
- How many layers of Atmosphere?
- Density of Water is_________?
- Density of Milk is________?
- When a single month has two full moons, the second moon is called________?
- A body of land that is surrounded by water on three sides is called________?
- Frozen dew is also known as________?
- White bloods cells are also known as________?
- The study of fish is known as ________?
- The scientific study of insects is known as _______?
- The study of organisms and their environment is known as ________?
- The scientific study of measurement is known as __________?
- Moon is a__________?
- Chemical Name of Dry Ice?
- The main culprit of greenhouse effect is Carbon dioxide. But which is the second element contributing most to greenhouse effect
- As a result of which treaty, ozone hole in Antarctica is slowly healing?
- How many meters are in one mile?
- Montreal Protocol 1987 was__________?
- Disolved oxygen (DO) in water should be?
- Why normal rain is slightly acidic?
- The yellow colour in photochemical smog is due to the presence of__________?
- Human beings use _______ liters of pure oxygen per day.
- In 2013, Planck measured the age of the universe at __________?
- Jupiter has ________ known moons.
- The study of heavenly bodies is known as_________?
- kilohertz (kHz) is a unit which measures?
- Which of the following does not pollute the air?
- Scientist discovered a previously undetected feature of the human Anatomy that could be the largest organ of human body?
- One Joule is equal to__________?
- ‘Bar’ is the unit of__________?
- “Ornithology” is the study of__________?
- How many Dynes are there in one gram weight?
- The melting point of ice is_________?
- Freezing point of water is__________?
- Wind always blows from area of ________?