Exam Preparation Quiz
Q1: What is the SI unit of length?
- (A) Meter
- (B) Kilogram
- (C) Second
- (D) Ampere
✅ Correct Answer: Option A
Explanation: The meter is the base unit of length in the International System of Units (SI). It is defined based on the speed of light.
Topic: SI Units Length
Q2: Which quantity has units of kg*m/s?
- (A) Momentum
- (B) Force
- (C) Energy
- (D) Power
✅ Correct Answer: Option A
Explanation: Momentum is defined as mass times velocity. Mass has units of kg and velocity has units of m/s, so momentum is kg*m/s.
Topic: Momentum Units
Q3: What is the SI unit of mass?
- (A) Kilogram
- (B) Gram
- (C) Pound
- (D) Ounce
✅ Correct Answer: Option A
Explanation: The kilogram is the base unit of mass in the SI system. It is a fundamental unit of measurement.
Topic: SI Units Mass
Q4: Which of these is a derived unit?
- (A) Joule
- (B) Second
- (C) Meter
- (D) Kelvin
✅ Correct Answer: Option A
Explanation: A Joule, the unit of energy, is derived from base units (kg*m^2/s^2). Other options are base units.
Topic: Derived Units
Q5: What is the SI unit of time?
- (A) Second
- (B) Minute
- (C) Hour
- (D) Day
✅ Correct Answer: Option A
Explanation: The second is the SI base unit for time. It's defined based on the frequency of a cesium atom's radiation.
Topic: SI Units Time
Article Prepared By: Java Mitra
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