Dimensional formula of heat energy is  

(1) ML2T2

(2) MLT1

(3) M0L0T2

(4) None of these

ऊष्मीय ऊर्जा का विमीय सूत्र है- 

(1) ML2T2

(2) MLT1

(3) M0L0T2

(4) इनमें से कोई नहीं

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Dimensions of permeability are 

(1) A2M1L1T2

(2) MLT2

(3) ML0T1

(4) A1MLT2

चुंबकशीलता की विमा है-

(1) A2M1L1T2

(2) MLT2

(3) ML0T1

(4) A1MLT2

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Which of the following quantities has the same dimensions as that of energy 

(1) Power

(2) Force

(3) Momentum

(4) Work

निम्नलिखित में से किस राशि की विमा ऊर्जा के समान है-

(1) शक्ति

(2) बल

(3) संवेग

(4) कार्य

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'Torr' is the unit of

(1) Pressure

(2) Volume

(3) Density

(4) Flux

'टाॅर’ किसका मात्रक है?

(1) दाब

(2) आयतन

(3) घनत्व

(4) फ्लक्स

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The binding energy of a nucleon in a nucleus is of the order of a few 

(1) eV

(2) Ergs

(3) MeV

(4) Volts

नाभिक में न्यूक्लियॉन की बंधन ऊर्जा किस क्रम की होती है?

(1) eV

(2) अर्ग

(3) MeV

(4) वोल्ट

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The unit of Planck's constant is:

(1) Joule

(2) Joule/s

(3) Joule/m

(4) Joule-s

प्लांक नियतांक का मात्रक है:

(1) जूल

(2) जूल/सेकण्ड

(3) जूल/मीटर

(4) जूल-सेकण्ड

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The unit of Young’s modulus is

(1) Nm2

(2) Nm2

(3) Nm

(4) Nm1

यंग मापांक का मात्रक है- 

(1) Nm2

(2) Nm2

(3) Nm

(4) Nm1

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The unit of reactance is

(1) Ohm

(2) Volt

(3) Mho

(4) Newton

प्रतिघात का मात्रक क्या है?

(1) ओम

(2) वोल्ट

(3) म्हो

(4) न्यूटन

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If the length of rod A is 3.25 ± 0.01 cm and that of B is 4.19 ± 0.01 cm then the rod B is longer than rod A by 

(1) 0.94 ± 0.00 cm

(2) 0.94 ± 0.01 cm

(3) 0.94 ± 0.02 cm

(4) 0.94 ± 0.005 cm

यदि छड़ की लंबाई 3.25 ± 0.01 cm है और वहीं B की लंबाई 4.19 ± 0.01 cm है। तब छड़ छड़ A से कितनी लंबी है?

(1) 0.94 ± 0.00 cm

(2) 0.94 ± 0.01 cm

(3) 0.94 ± 0.02 cm

(4) 0.94 ± 0.005 cm

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If dimensions of critical velocity vc of a liquid flowing through a tube are expressed as [ηxρyrz]  , where η,ρ and r are the coefficent of viscocity of liquid, density of liquid and radius of the tube respectively, then the values of x,y and z are given by

1. 1,-1,-1

2. -1,-1,1

3. -1,-1,-1

4. 1,1,1

यदि किसी नली के माध्यम से बहने वाले द्रव के क्रांतिक वेग vकी विमा को [ηxρyrz] के रूप में व्यक्त किया जाता है, जहाँ, η, ρ और r क्रमशः श्यानता गुणांक, द्रव के घनत्व और नली की त्रिज्या है, तब x, y और z के मान क्रमशः है:

1. 1, -1, -1  2. -1, -1, 1  3. -1, -1, -1  4. 1, 1, 1

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