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Everyday Science 2124 MCQs [All-Courses]

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The thermosphere extends from an altitude of to the base of at ?

A 75 km, Mesosphere, 670 km

B 80 km, Ionosphere, 680 km

C 85 km, Exosphere, 690 km

D 90 km, Ozone Layer , 690 km

Review Detailed Answer

Correct Answer: 85 km, Exosphere, 690 km

It is possible to recognize a person in the dark by simply hearing his unique voice . It is because of the_______?

A pitch

B Frequency

C Time period

D Quality

Review Detailed Answer

Correct Answer: pitch

_________ is the layer wherein most meteors are incinerated before reaching the surface.

A Troposphere

B Stratosphere

C Mesosphere

D Ionosphere

Review Detailed Answer

Correct Answer: Mesosphere

The echo (reflected sounD. will be distinctly heard only at ordinary temperatures if the distance of the reflecting surfaces from the source of sound is at least ________?

A 1120 ft

B 120 ft

C 56 ft

D 100 ft

Review Detailed Answer

Correct Answer: 56 ft

The mesosphere ranges from to _?

A 46 km to 85 km

B 48 km to 85 km

C 50 km to 85 km

D 52 km to 85 km

Review Detailed Answer

Correct Answer: 50 km to 85 km

In winter an iron pipe feel colder than a wooden window . This is because wood is_______?

A Conductor

B Non-Conductor

C Semi- Conductor

D Not a solid while iron is a solid

Review Detailed Answer

Correct Answer: Conductor

Stratosphere is the atmospheric layer that absorbs most of __________ that Earth receives from the Sun.

A Infrared radiation

B Ultraviolet radiation

C Ozone layer

D Radio waves

Review Detailed Answer

Correct Answer: Ultraviolet radiation

Water is heated in a kettlE. The inside water is heated by convection. A person sitting near the fire receives heat by ________?

A Conduction

B Convection

C Radiation

D Reflection

Review Detailed Answer

Correct Answer: Radiation

_________ is the atmospheric layer that absorbs most of the ultraviolet radiation that Earth receives from the Sun.

A Troposphere

B Stratosphere

C Mesosphere

D Ionosphere

Review Detailed Answer

Correct Answer: Stratosphere

In a railway track, two rails are joined end to end with a gap tin between them because?

A Steel can be saved

B Accidents due to contraction in winter can be avoided

C Air gaps are necessary for bearing the weight of running train

D Accidents due to expansion in summer can be avoided

Review Detailed Answer

Correct Answer: Accidents due to expansion in summer can be avoided

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Everyday Science 2124 MCQs [All-Courses]

All Topics 2124

All Topics 2124

The thermosphere extends from an altitude of to the base of at ?

It is possible to recognize a person in the dark by simply hearing his unique voice . It is because of the_______?

_________ is the layer wherein most meteors are incinerated before reaching the surface.

The echo (reflected sounD. will be distinctly heard only at ordinary temperatures if the distance of the reflecting surfaces from the source of sound is at least ________?

The mesosphere ranges from to _?

In winter an iron pipe feel colder than a wooden window . This is because wood is_______?

Stratosphere is the atmospheric layer that absorbs most of __________ that Earth receives from the Sun.

Water is heated in a kettlE. The inside water is heated by convection. A person sitting near the fire receives heat by ________?

_________ is the atmospheric layer that absorbs most of the ultraviolet radiation that Earth receives from the Sun.

In a railway track, two rails are joined end to end with a gap tin between them because?

Contact Info

Everyday Science 2124 MCQs [All-Courses]

All Topics 2124

All Topics 2124

The thermosphere extends from an altitude of ________ to the base of ________ at ________?

It is possible to recognize a person in the dark by simply hearing his unique voice . It is because of the_______?

_________ is the layer wherein most meteors are incinerated before reaching the surface.

The echo (reflected sounD. will be distinctly heard only at ordinary temperatures if the distance of the reflecting surfaces from the source of sound is at least ________?

The mesosphere ranges from ________ to _________?

In winter an iron pipe feel colder than a wooden window . This is because wood is_______?

Stratosphere is the atmospheric layer that absorbs most of __________ that Earth receives from the Sun.

Water is heated in a kettlE. The inside water is heated by convection. A person sitting near the fire receives heat by ________?

_________ is the atmospheric layer that absorbs most of the ultraviolet radiation that Earth receives from the Sun.

In a railway track, two rails are joined end to end with a gap tin between them because?

The thermosphere extends from an altitude of to the base of at ?

The mesosphere ranges from to _?