Everyday Science 2141 MCQs [All-Courses]

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A body can escape the gravitational pull of the earth if it is thrown up with a velocity of?

A 25 miles per sec

B 60 miles per sec

C 7 miles per sec

D 10 miles per sec

Review Detailed Answer

Correct Answer: 7 miles per sec

Which of the following is used as a lubricant?

A Graphite

B Silica

C Iron oxide

D Diamond

Review Detailed Answer

Correct Answer: Graphite

A nuclear reactor is a device used to carry out controlled nuclear reaction whereas GM counter is a device used to detect?

A Current

B Voltage

C Nuclear Radiation

D power

Review Detailed Answer

Correct Answer: Nuclear Radiation

Which of the following was first to be discovered in the chromospheres of the sun?

A Krypton

B Xenon

C Neon

D Helium

Review Detailed Answer

Correct Answer: Helium

Magnifying power of a simple microscope can be increased by ?

A increasing focal length of the lens

B Decreasing focal length of the lens

C Lens of large aperture

D lens of short aperture

Review Detailed Answer

Correct Answer: Decreasing focal length of the lens

The two elements that are frequently used for making transistors are :

A Boron and aluminium

B Silicon and Germanium

C Iridium and Tungston

D None of these

Review Detailed Answer

Correct Answer: Silicon and Germanium

The deepest place on earth is ____________?

A Trench

B Mariana Trench

C Mangrove

D Groove

Review Detailed Answer

Correct Answer: Trench

Permanent hardness of water can be removed by adding __________?

A Chlorine

B Washing soda

C Bleaching powder

D None of these

Review Detailed Answer

Correct Answer: Washing soda

Twinkling of stars is caused by ?

A Reflection of light

B Polarization of light

C refraction of light

D Interference of light

Review Detailed Answer

Correct Answer: refraction of light

In fireworks,the green flame is produced because of __________?

A Sodium

B Barium

C Mercury

D Potassium

Review Detailed Answer

Correct Answer: Barium

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Everyday Science 2141 MCQs [All-Courses]

All Topics 2141

All Topics 2141

A body can escape the gravitational pull of the earth if it is thrown up with a velocity of?

Which of the following is used as a lubricant?

A nuclear reactor is a device used to carry out controlled nuclear reaction whereas GM counter is a device used to detect?

Which of the following was first to be discovered in the chromospheres of the sun?

Magnifying power of a simple microscope can be increased by ?

The two elements that are frequently used for making transistors are :

The deepest place on earth is ____________?

Permanent hardness of water can be removed by adding __________?

Twinkling of stars is caused by ?

In fireworks,the green flame is produced because of __________?

Contact Info

Everyday Science 2141 MCQs [All-Courses]

All Topics 2141

All Topics 2141

Everyday Science 2136

A body can escape the gravitational pull of the earth if it is thrown up with a velocity of?

Which of the following is used as a lubricant?

A nuclear reactor is a device used to carry out controlled nuclear reaction whereas GM counter is a device used to detect?

Which of the following was first to be discovered in the chromospheres of the sun?

Magnifying power of a simple microscope can be increased by ?

The two elements that are frequently used for making transistors are :

The deepest place on earth is ____________?

Permanent hardness of water can be removed by adding __________?

Twinkling of stars is caused by ?

In fireworks,the green flame is produced because of __________?