Q. 86: Which of these does not change electric potential?
The correct answer was: V²/R
Q. 91: Which of the following cannot be a unit of acceleration?
The correct answer was: km/s
Q. 88: According to Ohm’s law, which of the following is correct?
The correct answer was: I = V/R
Q. 95: The inertia of a moving object depends on:
The correct answer was: The mass of the object
Q. 97: On which conservation principle does a rocket operate?
The correct answer was: Momentum
Q. 85: The reason for the twinkling of stars is
The correct answer was: Reflection
Q. 92: A bus accelerates from 36 km/h to 72 km/h in 10 seconds. What is its acceleration?
The correct answer was: 3.6 m/s²
Q. 87: An electric bulb is connected to a generator of 220V. The current value is 0.50A. What is the power of the bulb?
The correct answer was: 110W
Q. 100: The rate of change of momentum is equal to:
The correct answer was: Force
Q. 84: White light can be said to be
The correct answer was: Polychromatic
Q. 94: Which of the following is the correct relationship?
The correct answer was: v = u + at
Q. 89: When several resistors are connected in series, the equivalent resistance is equal to:
The correct answer was: R = R₁ + R₂ + R₃
Q. 96: When toothpaste is squeezed, its shape changes. What force is responsible for this?
The correct answer was: Unbalanced force
Q. 98: One Newton is equal to:
The correct answer was: 10⁵ dynes
Q. 99: The unit of momentum is:
The correct answer was: kg m/s
Q. 93: What does the slope of the speed-time graph represent?
The correct answer was: Velocity
Q. 83: If the mass of an object is ‘m’ kg and its velocity is ‘v’ m/s, then its kinetic energy (k) is
The correct answer was: k = 1/2mv²
Q. 82: How many surface edges does a prism have?
The correct answer was: 4
Q. 90: Which of the following is not a vector quantity?
The correct answer was: Speed
Q. 81: The unit of electric current is
The correct answer was: Ampere
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