In a system of units if force (F), acceleration (A) and time (T) are taken as fundamental units then the dimensional formula of energy is 

(1) FA2T

(2) FAT2

(3) F2AT

(4) FAT

यदि मात्रकों की एक पद्धति में बल (F), त्वरण (A) और समय (T) को मूल मात्रकों के रूप में लिया जाता है तब ऊर्जा का विमीय सूत्र है-

(1) FA2T

(2) FAT2

(3) F2AT

(4) FAT

 55%

To unlock all the explanations of this course, you need to be enrolled.

Hints

Out of the following, the only pair that does not have identical dimensions is 

(1) Angular momentum and Planck's constant

(2) Moment of inertia and moment of a force

(3) Work and torque

(4) Impulse and momentum

निम्नलिखित में से, एकमात्र युग्म जिसकी विमाएँ समान नहीं हैं-

(1) कोणीय संवेग और प्लांक नियतांक

(2) जड़त्व आघूर्ण और बल आघूर्ण

(3) कार्य और बल आघूर्ण

(4) आवेग और संवेग

 51%

To unlock all the explanations of this course, you need to be enrolled.

Hints

Dimensional formula of stress is

(1) M0LT2

(2) M0L1T2

(3) ML1T2

(4) ML2T2

प्रतिबल का विमीय सूत्र है-

(1) M0LT2

(2) M0L1T2

(3) ML1T2

(4) ML2T2

 58%

To unlock all the explanations of this course, you need to be enrolled.

Hints

advertisementadvertisement

Dimensions of potential energy are 

(1) MLT–1

(2) ML2T2

(3) ML1T2

(4) ML1T1

स्थितिज ऊर्जा की विमा है-

(1) MLT–1

(2) ML2T2

(3) ML1T2

(4) ML1T1

 59%

To unlock all the explanations of this course, you need to be enrolled.

Hints

The physical quantity which has dimensional formula as that of EnergyMass×Lengthis 

(1) Force

(2) Power

(3) Pressure

(4) Acceleration

वह भौतिक राशि जिसका विमीय सूत्र ऊर्जाद्रव्यमान×लंबाई के रूप में है-

(1) बल

(2) शक्ति

(3) दाब

(4) त्वरण

To unlock all the explanations of this course, you need to be enrolled.

Hints

A force F is given by F = at + bt2, where t is time. What are the dimensions of a and b 

(1) MLT3 and ML2T4

(2) MLT3 and MLT4

(3) MLT1 and MLT0

(4) MLT4 and MLT1

एक बल F, F = at + bt2 द्वारा दिया गया है जहाँ समय है। a और b की विमाएँ क्या हैं?  

(1) MLT3 और ML2T4

(2) MLT3 और MLT4

(3) MLT1 और MLT0

(4) MLT4 और MLT1

 61%

To unlock all the explanations of this course, you need to be enrolled.

Hints

advertisementadvertisement

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

 54%

To unlock all the explanations of this course, you need to be enrolled.

Hints

Dimensions of permeability are 

(1) A2M1L1T2

(2) MLT2

(3) ML0T1

(4) A1MLT2

चुंबकशीलता की विमा है-

(1) A2M1L1T2

(2) MLT2

(3) ML0T1

(4) A1MLT2

To unlock all the explanations of this course, you need to be enrolled.

Hints

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

 53%

To unlock all the explanations of this course, you need to be enrolled.

Hints

advertisementadvertisement

'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

To unlock all the explanations of this course, you need to be enrolled.

Hints