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The apparent weight of a steel sphere immersed in various liquids is measured using a spring balance. The greatest reading is obtained for the liquid

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Important Questions on Physics

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UPSC CAPF AC Paper - I
IMPORTANT
Lucent's General Science>Chapter 1 - Physics>Objective Questions>Q 268
A semiconductor has :
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UPSC CAPF AC Paper - I
IMPORTANT
Lucent's General Science>Chapter 1 - Physics>Objective Questions>Q 269
A bullet hits and gets embedded in a solid block resting on a horizontal frictionless table. Which physical quantity is conserved in this process?
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UPSC CAPF AC Paper - I
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Lucent's General Science>Chapter 1 - Physics>Objective Questions>Q 270
Certain substances loose their electrical resistance completely at super low temperature. Such substances are called :
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UPSC CAPF AC Paper - I
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Lucent's General Science>Chapter 1 - Physics>Objective Questions>Q 271
In P-type of semiconductor the current mainly flows due to :
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UPSC CAPF AC Paper - I
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Lucent's General Science>Chapter 1 - Physics>Objective Questions>Q 272
In n-type of semiconductor the current mainly flows due to :
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UPSC CAPF AC Paper - I
IMPORTANT
Lucent's General Science>Chapter 1 - Physics>Objective Questions>Q 274
The Laser is a beam of radiations which are:
HARD
UPSC CAPF AC Paper - I
IMPORTANT
Lucent's General Science>Chapter 1 - Physics>Objective Questions>Q 275
Which one of the following statements is true?
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UPSC CAPF AC Paper - I
IMPORTANT
Lucent's General Science>Chapter 1 - Physics>Objective Questions>Q 277
Which one of the following physical quantities has the same dimensions as that of Planck's constant h?