Question

11. The pair of quantities having same dimensions is
13. Length me
represente
[NCERT Pg. 31]
(1) Displacement, velocity
(2) Time, frequency
(1) 1 < 0.1
(3) Wavelength, focal length
(3) 1 > 5.1
(4) Force, acceleration
14. Time peria
T = (25​

Answer 1

Explanation:

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Answer 2

Explanation:

Coefficient of friction and Reynolds no. have no dimensions.

Planck's constant =ML

2

T

−1

Torque =ML

2

T

−2

Latent heat =

mass

energy

=

M

M

1

L

2

T

−2

=L

2

T

−2

Gravitational potential =

r

GM

=

mass

force

×r=

M

1

M

1

L

1

T

−2

×L

1

=L

2

T

−2

Curie = freq =M

0

L

0

T

−1