Which of the following is not the unit of energy

(1) Calorie

(2) Joule

(3) Electron volt

(4) Watt

Subtopic:  Dimensions |
 73%
From NCERT
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Which of the following is not a unit of time

(1) Leap year

(2) Micro second

(3) Lunar month

(4) Light year

Subtopic:  Dimensions |
 72%
From NCERT
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The S.I. unit of gravitational potential is

(1) J

(2) J​-​kg1

(3) J​-​kg

(4) J​-​kg2

Subtopic:  Dimensions |
 60%
From NCERT
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Which one of the following is not a unit of young's modulus?

(1) Nm1

(2) Nm2

(3) Dynecm2

(4) Mega Pascal

Subtopic:  Dimensions |
 68%
From NCERT
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In C.G.S. system the magnitutde of the force is 100 dynes. In another system where the fundamental physical quantities are kilogram, metre and minute, the magnitude of the force is

(1) 0.036

(2) 0.36

(3) 3.6

(4) 36

Subtopic:  Dimensions |
 53%
From NCERT
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The unit of L/R is (where L = inductance and R = resistance)

(1) sec

(2) sec–1

(3) Volt

(4) Ampere

Subtopic:  Dimensions |
 61%
From NCERT
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Which is different from others by units?

(1) Phase difference

(2) Mechanical equivalent

(3) Loudness of sound

(4) Poisson's ratio

Subtopic:  Dimensions |
From NCERT
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Length cannot be measured by

(1) Fermi

(2) Debye

(3) Micron

(4) Light year

Subtopic:  Dimensions |
 70%
From NCERT
AIIMS - 2002
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The value of Planck's constant is

(1) 6.63×1034J​-​sec

(2) 6.63×1034J/sec

(3) 6.63×1034kg​-​m2

(4) 6.63×1034kg/sec

Subtopic:  Dimensions |
 72%
From NCERT
PMT - 2002
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A physical quantity is measured and its value is found to be nu where n = numerical value and u = unit. Then which of the following relations is true

(1) nu2

(2) nu

(3) nu

(4) n1u

Subtopic:  Dimensions |
 69%
From NCERT
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