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

 58%

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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

 58%

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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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Which physical quantities have the same dimension 

(1) Couple of force and work

(2) Force and power

(3) Latent heat and specific heat

(4) Work and power

कौन सी भौतिक राशियों की विमाएँ समान हैं-

(1) बलयुग्म और कार्य

(2) बल और शक्ति

(3) गुप्त ऊष्मा और विशिष्ट ऊष्मा

(4) कार्य और शक्ति

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The mean time period of second's pendulum is 2.00s and mean absolute error in the time period is 0.05s. To express maximum estimate of error, the time period should be written as

(1) (2.00 ± 0.01) s

(2) (2.00 + 0.025) s

(3) (2.00 ± 0.05) s

(4) (2.00 ± 0.10) s

सेकेंड लोलक का माध्य आवर्तकाल 2.00है और आवर्तकाल में माध्य निरपेक्ष त्रुटि 0.05है। त्रुटि के अधिकतम आकलन को व्यक्त करने के लिए, आवर्तकाल को निम्न रूप में लिखा जाना चाहिए-

(1) (2.00 ± 0.01) s

(2) (2.00 + 0.025)s

(3) (2.00 ± 0.05) s

(4) (2.00 ± 0.10) s

 66%

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