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A dimensionless quantity...

A dimensionless quantity

A

Never has unit

B

Always has a unit

C

May have a unit

D

Does not exist

Text Solution

Verified by Experts

The correct Answer is:
C
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ALLEN-MISCELLANEOUS-Exercise-02
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  3. A dimensionless quantity

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  4. The Bernoulli's equation is given by p+(1)/(2)rhov^(2)+hrhog=k. Where ...

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  5. When a wave travells in a medium, the displacement of a particle locat...

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  6. The van der wasl's equation of a gas is (P+(aT^(2))/V) V^(c)=(RT+b). W...

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  7. The quantities P and Q are related by P/Q = mu where mu is the linear...

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  8. A physical quantity x can dimensionally represented in terms of M, L a...

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  9. If the velocity of light (c ) , gravitational constant (G) , and Planc...

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  10. The calorie is a unit of heat or energy and it equals about 4.2 J wher...

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  11. Angle between the vectors vec(a)=-hat(i)+2hat(j)+hat(k) and vec(b)=xha...

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  12. Three forces P, Q and R are acting on a particle in the plane, the ang...

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  13. Let a,b,c, be vectors of length 3,4,5 respectively and a be perpendicu...

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  14. Let vec(a), vec(b), vec(c) are three unit vector such that vec(a)+vec(...

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  15. If the sum of two unit vectors is a unit vector, then the magnitude of...

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  16. X- component of vec(a) is twice of its Y- component. If the magnitude ...

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  17. If vec(a) is a vector and x is a non-zero scalar, then

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  18. Choose the correct option: The two vectors vec(A) and vec(B) are dra...

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  19. Which of the following expressions are meaningful?

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  20. If the vectors vec a , vec b ,a n d vec c form the sidesB C ,C Aa n d...

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