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Question:- Which of the following metals remain in liquid for under normal conditions? A. Radium B. Zinc C. Uranium D. Mercury
Answer:- Option D
Question:- Potassium Permanganate is used for purifying drinking water, because A. it is a sterilising agent B. it dissolves the impurities of water C. it is a reducing agent D. it is an oxidising agent
Answer:- Option D
Question:- Which of the following is an element? A. Ruby B. Sapphire C. Emerald D. Diamond
Answer:- Option D
Question:- What is the unit for measuring the amplitude of a sound? A. Decibel B. Coulomb C. Hum D. Cycles
Answer:- Option A
Question:- Reading of a barometer going down is an indication of A. snow B. storm C. intense heat D. rainfall
Answer:- Option D
Question:- Decibel is the unit for A. speed of light B. radio wave frequency C. intensity of sound D. intensity of heat
Answer:- Option C
Question:- One fathom is equal to A. 6 feet B. 6 meters C. 60 feet D. 100 cm
Answer:- Option A
Question:- Fathom is the unit of A. sound B. depth C. frequency D. distance
Answer:- Option B
Question:- Light year is a measurement of A. speed of aeroplanes B. speed of light C. Stellar distances D. speed of rockets
Answer:- Option C
Question:- Very small time intervals are accurately measure by A. White dwarfs B. Quartz clocks C. Atomic clocks D. Pulsars
Answer:- Option C
Question:- One kilometre is equal to how many miles? A. 0.84 B. 0.5 C. 1.6 D. 0.62
Answer:- Option D
Question:- kilohertz is a unit which measures A. power used by a current of one ampere B. electromagnetic radio wave frequencies C. voltage D. electric resistance
Answer:- Option B
Question:- One horse power is equal to A. 746 watts B. 748 watts C. 756 watts D. 736 watts
Answer:- Option A
Question:- One Joule is equal to A. 105 ergs B. 103 ergs C. 107 ergs D. 1011 ergs
Answer:- Option C