GENERAL INSTRUCTIONS (Please read the following instructions very carefully)
1. Question marks are mentioned with each Question.
2. Please write neat and clean hand-writing on Answer Sheet. Use Margin on right side and left side of Answer Sheet.
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4. Do not click the button Submit Test before completing the paper on Answer Sheet.
5. This is a ONE TIME attempt test. Once started, it cannot be reversed or attempted again.
6. Take photo of all the Sheets and make single pdf file.
1
The _____________ the area of contact of a given body, the more is the pressure exerted by it.
Lesser
More
Greater
None of these.
2
The relative density of a substance is the ratio of its density to that of _______________________.
Solution
Water
Liquid
3
What is the SI unit of relative density ?
Newton
Newton/meter
Newton/centimeter
No unit
4
The handles of bags, suitcases, etc. are made broad, so that __________________ pressure is exerted on the hand.
Less
No
None of these
5
Objects in a liquid are buoyed _____________________ because the pressure acting up against the bottom of the object exceeds the pressure acting down against the top.
upward
downward
equal
6
When an object is fully or partially immersed in a liquid, it experiences a _________________________ which is equal to the weight of liquid displaced by the object.
Buoyant force
Upthrust
Both (a) and (b) are correct.
7
The liquid having higher density exerts __________________ upward buoyant force on an object than another liquid of lower density.
more
Equal
8
When an object is wholly or partially immersed in a gas it loses some of its weight which is __________________ the weight of the displaced gas.
more than
less than
equal to
9
Buildings are provided with broad foundations, so that the pressure exerted on the ground becomes _________________.
Zero
10
Which of the following are correct :
(a) The handles of bags, suitcases, etc. are made broad, so that less pressure is exerted on the hand.
(b) The handles of bags, suitcases, etc. are made broad, so that more pressure is exerted on the hand.
Only (a) is correct.
Only (b) is correct.
11
(a) The greater the density, the greater the pressure.
(b) The greater the height, the greater the pressure.
12
(a) The liquid having higher density exerts more upward buoyant force on an object than another liquid of lower density.
(b) The liquid having lower density exerts more upward buoyant force on an object than another liquid of higher density.
13
(a) Pressure is defined as the force or thrust exerted over a unit area.
(b) Pressure is a scalar quantity.
14
(a) The more the area of contact of a given body the lesser the pressure it will exert.
(b) The more the force acting on a body, the more the pressure it will exert.
(c) The lesser the area of contact of a given body, the more is the pressure exerted by it.
Only (a) and (b) are correct.
Only (b) and (c) are correct.
Only (a) and (c) are correct.
All of these.
15
(a) The atmospheric pressure changes from place to place time to time.
(b) The density of moist air is less than that of dry air.
(c) Atmospheric pressure is defined as the pressure exerted on an object by the weight of the air above it.