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XI Phy SRM Gr.4

Authored by John Thangaraj

Physics

11th Grade

Used 1+ times

XI Phy SRM Gr.4
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20 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

In the equation E = hf, E is energy, h is Planck’s constant and f is frequency. The unit of h is -------.

N-s

J-s

J/s

kgms2kgms^{-2}

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

In the formula  F=Gm1m2r2F=-\frac{Gm_1m_2}{r^2}  , F is force,  m1m_1   and  m2m_2   are masses and r is the distance between them. The dimensional formula of G is -------.

 M1L3T2M^{-1}L^3T^{-2}  

 ML2T2ML^2T^{-2}  

 MLT2MLT^{-2}  

 MLT3MLT^{-3}  

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is the dimension of length in the dimensional formula for pressure?

1

-1

-2

2

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which two quantities have same dimensional formula?

velocity and momentum

work and torque

momentum and force

work and power

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

If a physical quantity depends on --------, dimensional analysis cannot be used. Please choose the wrong choice.

linear function

trigonometric function

logarithmic function

exponential function

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

How many significant figures are there in the value of  π\pi 

3

4

5

INFINITY

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Length of a cube is given by l = 2.67 ± 0.01 cm. Percentage error in its volume is ------- %

1.12

19.03

2.88

5.234

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