MCQs

Q71: Which one is a vector quantity? کون سی ایک ویکٹر کی مقدار ہے؟

• A) Mass
• B) Weight
• C) Time

Q72: In which form of energy is the measure to determine how much energy an object has and in turn how much work can it perform?

• A) Kinetic Energy
• B) Thermal Energy
• C) Potential Energy

Q73: If input of a NOT gate is "1" then its output is _____?

• A) 1
• B) 0
• C) May be 1 or may be 0

Q74: Which of the following performs its function by converting electrical energy into motion?

• A) An electric motor
• B) An electric bulb
• C) An electric iron

Q75: In which object, form sharp and dark shadows?

• A) In which object, form sharp and dark shadows?
• B) Translucent
• C) Opaque

Q76: Heat is the form of _____?

• A) Pressure
• B) Weight
• C) Energy

Q77: Convex lenses are also known as ____?

• A) Converging lenses
• B) Diverging lenses
• C) Deflecting lenses

Q78: An examples of kinetic energy would be ______?

• A) A moving car
• B) A moving runner
• C) All of these

Q79: Work done per unit time is called ______?

• A) Efficiency
• B) Energy
• C) Power

Q80: What happens when two opposite poles of magnets are brought close to each other?

• A) They repel
• B) They attract
• C) They make an electric current flow