Physics General Studies Questions for ssc upsc competitive examspage 11

151 .When X - rays are produced, then

A. heat is produced on the target

B. heat is observed by the target

C. Temperature of the target is being constent

D. a lumineous light is to be seen on the target

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152 .The concept of 'Carban credit' originated from which one of the following?

A. Kyoto Protocol

B. Earth Summit

C. Montral Protocol

D. G â€“ 8 Summit

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153 .When we hear a sound, we can identify its source from

A. wave length of sound

B. the overtones present in the sound

C. the intensity of sound

D. the amplitude of sound

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154 .Why is red light employed for danger signals?

A. red colour is sooting to the eye

B. human eye is most sensitive to red colour

C. red light is scattered least

D. red light is scattered most

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155 .A ray of light when refracted suffers change in velocity. In theis context, which one among the following statements is correct?

A. Velocity increases as the ray passes from a rarer to a denser medium

B. Velocity decreases as the ray passes from a denser to a rarer medium

C. Velocity decreases as the ray passes from a rarer to a denser medium

D. Change of velocity does not depend on the nature of medium

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156 .The colour of stars depends upon their

A. Temperature

B. Pressure

C. Age

D. Distance from Solar System

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157 .Two bulbs are fitted in a room in the domestic electric installation. One of them glows brighter than the other. Then

A. the brighter bulb has smaller resistanc

B. the brighter bulb has larger resistance

C. both the bulsbs have the same resistance

D. none of these

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158 .Endosulfan spray on cashew crop resulted in the pollution to the tune of tragedy in:

A. Tamil Nadu

B. Keral

C. Andhra Pradesh

D. Karnataka

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159 .Cadmium pollution is associated with-

A. Minamata disease

B. Black foot disease

C. Dyslexia

D. Itai-itai

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160 .How can boiling point of a liquid be reduced?

A. by adding a solid of lower melting point

B. by dissolving a soluble solid in it

C. by increasing the pressure on the liquid

D. by decreasing the pressure on the liquid

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161 .Clothes keep us warm in winter because they

A. Supply heat

B. do not radiat heat

C. Prevent air from contacting the body

D. prevent the heat of the boyd from excaping

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162 .Transboundary pollution (or) Acid rain is caused by:

A. nitrogen oxide and sulphur dioxide

B. Carborn monoxide

C. Carbon dioxide

D. Hydrocarbon

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163 .SPM stands for

A. Suspended Particular Matter

B. Standard Particles Material

C. Suspended Particles Material

D. None of the above

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164 .Who invented the battery?

A. Volta

B. Roentgen

C. Faraday

D. Maxwell

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165 .A fuse wire is characterized by

A. Low resistance and high melting point

B. High resistance and high melting point

C. High resistance and low melting point

D. Low resistance and low melting point

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