[Quiz] Science Physics - Free Online Test - 7 (9th STD)

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Subject	Science Physics
Exam Portions	Tamil Nadu Samacheer Kalvi 9th Std Term 3 – Science Physics Full
TNPSC Science Physics Test Series No: 7
No of Questions	15
Duration	10 Min
Difficulty Level	Easy
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1. If 60 W incandescent bulb is equivalent to 14 W CFL, 14 W CFL bulb is equivalent to 9 W Led bulb. To consume 3.6 Units (kilowatt-hour) we can use any one of the above lights. The maximum time a light can be used is
   
   1.  80 hr
   2.  40 hr
   3.  800 hr
   4.  400 hr
   
   
2. The term energy in its present meaning is used in the modern science for the first time in
   
   1.  1707
   2.  1902
   3.  1802
   4.  2002
   
   
3. What is the SI Unit of Work and Energy?
   
   1.  joule
   2.  watt
   3.  henry
   4.  newton
   
   
4. Assertion: In most of the industries water is used as a coolant Reason: Water has the lowest specific heat capacity
   
   1.  Both A and B are correct
   2.  Neither A nor B is correct
   3.  Only A is wrong
   4.  Only B is wrong
   
   
5. Hydrometer was invented by
   
   1.  Boyle
   2.  Joule
   3.  Charles
   4.  Thomson
   
   
6. What is the SI Unit of Power?
   
   1.  joule
   2.  watt
   3.  henry
   4.  newton
   
   
7. Who among the following person is regarded is the first modern chemist?
   
   1.  Charles
   2.  Thomson
   3.  Boyle
   4.  Einstein
   
   
8. By passing electricity through which of the following material we can produce more heat?
   
   1.  resistance
   2.  conductance
   3.  inductance
   4.  magnetic material
   
   
9. The absolute zero concept was proposed by
   
   1.  Jacques Charles
   2.  Albert Einstein
   3.  William Thomson
   4.  Robert Boyle
   
   
10. What is the SI unit of Thermal capacity?
    
    1.  joule/ kilogram / kelvin
    2.  joule/ kelvin
    3.  joule 
    4.  kelvin
    
    
11. PV = a constant is stated by
    
    1.  Newton's Law
    2.  Charle's Law
    3.  Boyle's law
    4.  Joule's law
    
    
12. V/ T = a constant is stated by
    
    1.  Joule's Law
    2.  Boyle's Law
    3.  Charle's Law
    4.  Newton's Law
    
    
13. What is the SI unit of specific heat capacity
    
    1.  joule/ kilogram / kelvin
    2.  joule / kelvin
    3.  kilogram / kelvin
    4.  joule/ gram / kelvin
    
    
14. A: Power is the work done per unit time B: Energy is the capacity to do work
    
    1.  Only A is Correct
    2.  Only B is Correct
    3.  Both A and B is Correct
    4.  Neither A or B is Correct
    
    
15. A: Kinetic Energy  = Motion,  B: Potential Energy = Position
    
    1.  Only A is Correct
    2.  Only B is Correct
    3.  Both A and B is Correct
    4.  Neither A or B is Correct
    
    

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