## Units & Measurements Top MCQs – 5

Lux is the SI unit of (A) Intensity of illumination (B) Luminous efficiency (C) Luminous flux (D) Luminous intensity Answer: Option A Moment of inertia

## Scientific Inventions Top MCQs – 12

In which decade was the telephone invented? (A) 1850s (B) 1860s (C) 1870s (D) 1880s Answer: Option C When was Monopoly created? (A) 1940s (B)

## Scientific Inventions Top MCQs – 13

Who invented Dynamite? (A) Sir Alexander Graham Bell (B) Benjamin Franklin (C) Thomas Alva Edison (D) Alfred B. Nobel Answer: Option D In which decade

## Units & Measurements Top MCQs – 1

1 Inch = ______ Centimeter (A) 3 (B) 2.54 (C) 2.7 (D) 2.67 Answer: Option B What is the unit for measuring the amplitude of

## Units & Measurements Top MCQs – 2

How many Ergs are there in 1 joule? (A) 102 (B) 104 (C) 106 (D) 107 Answer: Option D Very small time intervals are accurately

## Units & Measurements Top MCQs – 3

Knot is a unit of speed of which of the following? (A) Aeroplane (B) Light waves (C) Ship (D) Sound waves Answer: Option C The