Q1. Read the law given below and identify the same.
The mass on any substance liberated from an electrolyte is directly proportional to the quantity of charge passing through the solution.
(a) Avogadro’s law
(b) Faraday’s first law of electrolysis
(c) Stefan’s law
(d) Kirchhoff’s law of electricity
Q2. The value of Avogadro’s constant is?
(a) 6.022 × 10²³ per mole
(b) 58.04 × 10¯² per mole
(c) 69.51 × 10¯¹⁸ per mole
(d) 6.022 × 10¹⁴ per mole
Q3. Which one of the following is the correct unit of angular velocity?
(a) m/minute
(b) cm/sec²
(c) cm/sec
(d) radians/sec
Q4. The maximum displacement of a vibrating body from its mean position is called?
(a) Gyration
(b) Wavelength
(c) Amplitude
(d) Impulse
Q5. The Kinetic energy of a body depends upon?
(a) Mass, gravity and height
(b) Its mass alone
(c) Its velocity alone
(d) Both mass and velocity
Q6. The term ‘Squirrel cage’ is associated with?
(a) Pressure gauges
(b) Coils
(c) Potentiometers
(d) Induction motors
Q7. A swimmer finds it easier to swim in sea water than in plain water, why?
(a) Sea water has less contamination.
(b) Sea waves help a swimmer to swim.
(c) Sea water has higher density than plain water.
(d) Sea has a much higher volume of water.
Q8. Humidity refers to?
(a) Direction of wind
(b) Temperature of the air.
(c) Moisture content of the air.
(d) Pressure of the air.
Q9. The temperature on the surface of the sun is about?
(a) 8 × 10¹⁵ °C
(b) 500 °C
(c) 6000 °C
(d) 1000°C
Q10. As a train approaches us, the frequency or shrillness of its whistle increases. The phenomenon is explained by?
(a) Big Bang Theory
(b) Doppler effect
(c) Charles law
(d) Archimedes Principle
Q11. The load on a spring per unit deflection is called?
(a) Stress
(b) Flexibility
(c) Stiffness
(d) Strain
Q12. Which one of the following is a major constituent of petrol?
(a) Pentane (C₅H₁₂)
(b) Octane (C₈H₁₈)
(c) Methane (CH₄)
(d) Hexane (C₆H₁₄)
Q13. The sound waves in the audible range have frequencies in the range of?
(a) 20 Hz to 20,000 Hz
(b) 0.5 Hz to 5 Hz
(c) 1 Hz to 10 Hz
(d) 20,000 Hz to 40,000 Hz
Q14. The term EURO-II in the context of modern cars refers to?
(a) Emission from cars
(b) Speed of cars
(c) Fuel efficiency
(d) Torque available
Q15. The chemical formula of ‘Plaster of Paris’ is?
(a) 2 CaSO₄. 2 H₂O
(b) Ca(OH)₂
(c) (CaSO₄). ½ H₂O
(d) CaOCl₂
Answer Key
S1. Ans.(b)
S2. Ans.(a)
S3. Ans.(d)
S4. Ans.(c)
S5. Ans.(d)
S6. Ans.(d)
S7. Ans.(c)
S8. Ans.(c)
S9. Ans.(c)
S10. Ans.(b)
S11. Ans.(c)
S12. Ans.(b)
S13. Ans.(a)
S14. Ans.(a)
S15. Ans.(c)
The mass on any substance liberated from an electrolyte is directly proportional to the quantity of charge passing through the solution.
(a) Avogadro’s law
(b) Faraday’s first law of electrolysis
(c) Stefan’s law
(d) Kirchhoff’s law of electricity
Q2. The value of Avogadro’s constant is?
(a) 6.022 × 10²³ per mole
(b) 58.04 × 10¯² per mole
(c) 69.51 × 10¯¹⁸ per mole
(d) 6.022 × 10¹⁴ per mole
Q3. Which one of the following is the correct unit of angular velocity?
(a) m/minute
(b) cm/sec²
(c) cm/sec
(d) radians/sec
Q4. The maximum displacement of a vibrating body from its mean position is called?
(a) Gyration
(b) Wavelength
(c) Amplitude
(d) Impulse
Q5. The Kinetic energy of a body depends upon?
(a) Mass, gravity and height
(b) Its mass alone
(c) Its velocity alone
(d) Both mass and velocity
Q6. The term ‘Squirrel cage’ is associated with?
(a) Pressure gauges
(b) Coils
(c) Potentiometers
(d) Induction motors
Q7. A swimmer finds it easier to swim in sea water than in plain water, why?
(a) Sea water has less contamination.
(b) Sea waves help a swimmer to swim.
(c) Sea water has higher density than plain water.
(d) Sea has a much higher volume of water.
Q8. Humidity refers to?
(a) Direction of wind
(b) Temperature of the air.
(c) Moisture content of the air.
(d) Pressure of the air.
Q9. The temperature on the surface of the sun is about?
(a) 8 × 10¹⁵ °C
(b) 500 °C
(c) 6000 °C
(d) 1000°C
Q10. As a train approaches us, the frequency or shrillness of its whistle increases. The phenomenon is explained by?
(a) Big Bang Theory
(b) Doppler effect
(c) Charles law
(d) Archimedes Principle
Q11. The load on a spring per unit deflection is called?
(a) Stress
(b) Flexibility
(c) Stiffness
(d) Strain
Q12. Which one of the following is a major constituent of petrol?
(a) Pentane (C₅H₁₂)
(b) Octane (C₈H₁₈)
(c) Methane (CH₄)
(d) Hexane (C₆H₁₄)
Q13. The sound waves in the audible range have frequencies in the range of?
(a) 20 Hz to 20,000 Hz
(b) 0.5 Hz to 5 Hz
(c) 1 Hz to 10 Hz
(d) 20,000 Hz to 40,000 Hz
Q14. The term EURO-II in the context of modern cars refers to?
(a) Emission from cars
(b) Speed of cars
(c) Fuel efficiency
(d) Torque available
Q15. The chemical formula of ‘Plaster of Paris’ is?
(a) 2 CaSO₄. 2 H₂O
(b) Ca(OH)₂
(c) (CaSO₄). ½ H₂O
(d) CaOCl₂
Answer Key
S1. Ans.(b)
S2. Ans.(a)
S3. Ans.(d)
S4. Ans.(c)
S5. Ans.(d)
S6. Ans.(d)
S7. Ans.(c)
S8. Ans.(c)
S9. Ans.(c)
S10. Ans.(b)
S11. Ans.(c)
S12. Ans.(b)
S13. Ans.(a)
S14. Ans.(a)
S15. Ans.(c)
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