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Question Round

Question Round. Brought to you By. http://clickformba.tripod.com. Pradeep D C. Question 1 A plant with Green leaves placed in red light will appear Black Green Red Violet. Black. Question 2 Electromagnetic radiation is emitted by X-rays Electrons Ultrasonic Protons. Electrons.

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Question Round

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  1. Question Round Brought to you By http://clickformba.tripod.com Pradeep D C

  2. Question 1 • A plant with Green leaves placed in red light will appear • Black • Green • Red • Violet Black

  3. Question 2 • Electromagnetic radiation is emitted by • X-rays • Electrons • Ultrasonic • Protons Electrons

  4. Question 3 • The common refrigerant used in the domestic refrigerator is • Neon • Freon/ammonia • Spirit • None of these Freon/ammonia

  5. Question 4 • A fuse wire is characterized by • High resistance & High melting point • Low resistance & High melting point • High resistance & Low melting point • Low resistance & Low melting point High resistance & Low melting point

  6. Question 5 • Who said ‘A body will remain at rest unless an external force acts on the body’? • Newton • Einstein • Archimedes • Galileo Newton

  7. Question 6 • Which metal is commonly used as an electromagnet? • Copper • Nickel • Iron • Cabalt Iron

  8. Question 7 • When ice melts in a beaker of water, the level of water in the beaker will • Increases • Decreases • Remain the same • First increases & then decreases Remain the same

  9. Question 8 • Which of the following does not admit any division? • Atom • Molecules • Compound • All Atom

  10. Question 9 • The dynamo converts • Mechanical energy into electrical energy • Electrical energy into mechanical energy • Mechanical energy into magnetic energy • None of these Mechanical energy into electrical energy

  11. Question 10 • The M.K.S unit of electric charge is • Volt • Ampere • Watt • Coulomb Coulomb

  12. Question 11 • The oil in the wick of an oil lamp rises up due to • Pressure difference • Low viscosity of oil • Capillary action • Gravitational force Capillary action

  13. Question 12 • The function of the choke is to • Give relatively large impedance of alternating current • Give relatively large impedance or direct current • Regulate the voltage • Increases the voltage Give relatively large impedance of alternating current

  14. Question 13 • If the length of a heater coil is reduced by 10% of its original length, then power consumed by the heater will • Increases over 10% • Decreases by 10% • Decreases by 0.5% • Increases by 0.5% Increases over 10%

  15. Question 14 • A red light is used in a traffic signal is because • It has the longest wavelength & can be easily noticed from the long distance • It is beautiful • It is visible to people even with bad eye sight • None of these It has the longest wavelength & can be easily noticed from the long distace

  16. Question 15 • The most convenient colour combination that can be used for vehicles running day & night is • Orange & Blue • Yellow & Blue • White & Black • Red & Green Red & Green

  17. THANK YOU

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