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Sunday, October 26

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

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TNPSC Free Online Test by TNPSC GURU.in
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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