X = 3YZ2 find dimension of Y in (MKSA) system, if X and Z are the dimension of capacity and magnetic field respectively

(1) M3L2T4A1

(2) ML–2

(3) M3L2T4A4

(4) M3L2T8A4

X = 3YZमें Y की विमा (MKS) पद्धति में ज्ञात कीजिए, यदि X और क्रमशः धारिता और चुंबकीय क्षेत्र की विमाएँ हैं:

(1) M3L2T4A1

(2) ML–2

(3) M3L2T4A4

(4) M3L2T8A4

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The density of wood is 0.5gm/cc in the CGS system of units. The corresponding value in MKS units is :

(1) 500

(2) 5

(3) 0.5

(4) 5000

मात्रकों की CGS पद्धति में लकड़ी का घनत्व 0.5 gm/cc है। MKS पद्धति में लकड़ी का घनत्व है:

(1) 500

(2) 5

(3) 0.5

(4) 5000

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Which is not a unit of electric field

(1) NC1

(2) Vm1

(3) JC1

(4) JC1m1

निम्न में से कौनसा वैद्युत क्षेत्र का मात्रक नहीं है:

(1) NC1

(2) Vm1

(3) JC1

(4) JC1m1

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Number of base SI units is

(1) 4

(2) 7

(3) 3

(4) 5

मूल SI मात्रकों की संख्या कितनी है:

(1) 4

(2) 7

(3) 3

(4) 5

 70%

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What are the dimensions of latent heat?

(1) ML2T-2

(2) ML-2T-2

(3) M0LT-2

(4) M0L2T-2

गुप्त ऊष्मा की विमा क्या हैं?

(1) ML2T-2

(2) ML-2T-2

(3) M0LT-2

(4) M0L2T-2

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If the dimensions of length are expressed as Gxcyhz; where G, c and h are the universal gravitational constant, speed of light and Planck's constant respectively, then  

(1) x=12,  y=12

(2) x=12,  z=12

(3) y=12,  z=32

(4) y=32,  z=-12

यदि लंबाई की विमा को Gxcyhz द्वारा व्यक्त किया जाता है; जहाँ G, c और h क्रमशः सार्वत्रिक गुरुत्वाकर्षण नियतांक, प्रकाश की चाल और प्लांक नियतांक हैं, तब

(1) x=12,  y=12

(2) x=12,  z=12

(3) y=12,  z=32

(4) y=32,  z=-12

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Assertion :Out of three measurements l = 0.7 m; l = 0.70 m and l = 0.700 m, the last one is most accurate.

Reason : In every measurement, only the last significant digit is not accurately known.

अभिकथन: तीन मापों, l = 0.7 m; l = 0.70 m और l = 0.700 m, में से अंतिम वाला सबसे यथार्थ है।

कारण: प्रत्येक माप में, केवल अंतिम सार्थक अंक यथार्थ रूप से ज्ञात नहीं है।

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false

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Which of the following pairs of physical quantities has the same dimensions 

(1) Work and power

(2) Momentum and energy

(3) Force and power

(4) Work and energy

निम्नलिखित में से किस भौतिक राशि के युग्म की विमाएँ समान हैं:

(1) कार्य और शक्ति

(2) संवेग और ऊर्जा

(3) बल और शक्ति

(4) कार्य और ऊर्जा

 57%

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Dimensional formula of capacitance is 

(1) M1L2T4A2

(2) ML2T4A2

(3) MLT4A2

(4) M1L2T4A2

धारिता का विमीय सूत्र क्या है:

(1) M1L2T4A2

(2) ML2T4A2

(3) MLT4A2

(4) M1L2T4A2

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The unit of specific resistance is 

(1) Ohm/cm2

(2) Ohm/cm

(3) Ohmcm

(4) (Ohmcm)1

विशिष्ट प्रतिरोध का मात्रक क्या है?

(1) Ohm/cm2

(2) Ohm/cm

(3) Ohmcm

(4) (Ohmcm)1

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