The speed of light (c), gravitational constant (G) and Planck's constant (h) are taken as the fundamental units in a system. The dimension of time in this new system should be 

(1) G1/2h1/2c5/2

(2) G1/2h1/2c1/2

(3) G1/2h1/2c3/2

(4) G1/2h1/2c1/2

प्रकाश की चाल (c), गुरुत्वाकर्षण नियतांक (G) और प्लांक नियतांक (h) को एक पद्धति में मूल मात्रकों के रूप में लिया जाता है। इस नई पद्धति में समय की विमा होनी चाहिए-

(1) G1/2h1/2c5/2

(2) G1/2h1/2c1/2

(3) G1/2h1/2c3/2

(4) G1/2h1/2c1/2

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Identify the pair which has different dimensions 

(1) Planck's constant and angular momentum

(2) Impulse and linear momentum

(3) Angular momentum and frequency

(4) Pressure and Young's modulus

उस युग्म की पहचान कीजिए जिसकी विमाएँ भिन्न हैं-

(1) प्लांक नियतांक और कोणीय संवेग

(2) आवेग और रेखीय संवेग

(3) कोणीय संवेग और आवृत्ति

(4) दाब और यंग मापांक

 51%
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The dimensions of electric potential are 

(1) [ML2T2Q1]

(2) [MLT2Q1]

(3) [ML2T1Q]

(4) [ML2T2Q]

वैद्युत विभव की विमा हैं-

(1) [ML2T2Q1]

(2) [MLT2Q1]

(3) [ML2T1Q]

(4) [ML2T2Q]

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The physical quantities not having same dimensions are 

(1) Speed and (μ0ε0)1/2

(2) Torque and work

(3) Momentum and Planck's constant

(4) Stress and Young's modules

वे भौतिक राशियाँ जिनकी विमा समान नहीं हैं

(1) गति और(μ0ε0)1/2

(2) बल आघूर्ण और कार्य

(3) संवेग और प्लांक नियतांक

(4) प्रतिबल और यंग मापांक

 60%
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The ratio of the dimension of Planck's constant and that of moment of inertia is the dimension of

(1) Frequency

(2) Velocity

(3) Angular momentum

(4) Time

प्लांक नियतांक की विमा का जड़त्व आघूर्ण की विमा से अनुपात है-

(1) आवृत्ति

(2) वेग

(3) कोणीय संवेग

(4) समय

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Density of a liquid in CGS system is 0.625 g/cm3. What is its magnitude in SI system 

(1) 0.625

(2) 0.0625

(3) 0.00625

(4) 625

CGS पद्धति में एक द्रव का घनत्व 0.625 g/cmहै। SI पद्धति में इसका परिमाण क्या है?

(1) 0.625

(2) 0.0625

(3) 0.00625

(4) 625

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Pressure gradient has the same dimension as that of 

(1) Velocity gradient

(2) Potential gradient

(3) Energy gradient

(4) None of these

दाब प्रवणता की किसके समान विमा है? 

(1) वेग प्रवणता

(2) स्थितिज प्रवणता

(3) ऊर्जा प्रवणता

(4) इनमें से कोई नहीं

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The unit of percentage error is

(1) Same as that of physical quantity

(2) Different from that of physical quantity

(3) Percentage error is unit less

(4) Errors have got their own units which are different from that of physical quantity measured

प्रतिशत त्रुटि का मात्रक है-

(1) भौतिक राशि के समान

(2) भौतिक राशि से भिन्न

(3) प्रतिशत त्रुटि मात्रक रहित है

(4) त्रुटियों की अपने मात्रक हैं जो कि मापी गई भौतिक राशियों से भिन्न हैं

 61%
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The decimal equivalent of 1/20 upto three significant figures is

(1) 0.0500

(2) 0.05000

(3) 0.0050

(4) 5.0 × 10-2

तीन सार्थक अंक तक 1/20 का दशमलव समतुल्य है-

(1) 0.0500

(2) 0.05000

(3) 0.0050

(4) 5.0 × 10-2

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"Pascal-Second" has dimension of 

(1) Force

(2) Energy

(3) Pressure

(4) Coefficient of viscosity

"पास्कल-सेकेण्ड" किसकी विमा है?

(1) बल

(2) ऊर्जा

(3) दाब

(4) श्यानता गुणांक 

 52%
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