| 1 |
The kinetic energy of a body of mass 2 kg is 25 J. Its speed is: |
- A. 5 ms<sup>-1</sup>
- B. 12.5 ms<sup>-1</sup>
- C. 25 ms<sup>-1</sup>
- D. 50 ms<sup>-1</sup>
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| 2 |
It base of a right angled triangle is 3 cm and its perpendicular is 3 cm.Then its hypotenuse will be |
- A. 2 cm
- B. 4 cm
- C. 6 cm
- D. 5 cm
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| 3 |
Mass is measured by: |
- A. Spring balance
- B. Measuring cylinder
- C. Physical Balance
- D. None of these
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| 4 |
The least count of vernier callipers is. |
- A. .01 mm
- B. 0.1 mm
- C. .001 mm
- D. .01 m
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| 5 |
Which of the following is a vector quantity? |
- A. Distance
- B. Power
- C. Speed
- D. Displacement
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| 6 |
On heating the strip, ___________ expands more than_______<div>respectively.</div> |
- A. Brass, Iron
- B. Iron, Brass
- C. Copper, brass
- D. Brass, copper
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| 7 |
If Fx and Fy are rectangular components of vector F, then its direction is determined by the relation |
- A. θ = sin-1 Fv/Fx
- B. θ = tan-1 Fx/Fy
- C. θ = tan Fx/Fy
- D. θ = tan Fy/Fx
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| 8 |
Unit of density is: |
- A. Kg/m3
- B. kg/m2
- C. kg/m
- D. kg
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| 9 |
Land breeze blows from: |
- A. Sea to land drawing night
- B. Sea to land during day
- C. Land to sea during night
- D. Land to sea during day
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| 10 |
The formula of conversion of Celsius into Kelvin is: |
- A. Tk = 273 - C<sup>o</sup>
- B. Tk = 273 + C<sup>o</sup>
- C. F = 1.8 + 32
- D. All of these
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