physics quiz

 NDA PHYSICS QUIZ What is the unit for measuring the amplitude of a sound? (A) Decibel (B) Coulomb (C) Hum (D) Cycles One nanometer is equal to (A) 10-6 m (B) 10-8 m (C) 10-9 m (D) 10-5 m One fathom is equal to (A) 6 feet (B) 6 meters (C) 60 feet (D) 100 cm Light year is a measurement of (A) Speed of aeroplanes (B) Speed of light (C) Stellar distances (D) Speed of rockets One kilometer is equal to how many miles? (A) 0.84 (B) 0.5 (C) 1.6 (D) 0.62 ‘Bar’ is the unit of (A) Temperature (B) Heat (C) Atmospheric pressure (D) Current Nautical mile is a unit of distance used in   (A) Navigation (B) Road mile (C) Astronomy (D) Measuring the boundaries of a nation How many Dynes are there in 1 gram weight? (A) 900 (B) 375 (C) 981 (D) 250 Joule is the unit of (A) Temperature (B) Pressure (C) Energy (D) Heat How many Ergs are there in 1 joule? (A) 102 (B) 104 (C) 106 (D) 107 The unit of current is (A) Ohm (B) Watt (C) Ampere (D) None of the above The unit of energy in MKS system is (A) Volt (B) Erg (C) Ohm (D) Joule The instrument used to measure electric current is (A) Ammeter (B) Electrometer (C) Galvanometer (D) Spectrometer Name the instrument used to measure relative humidity (A) Hydrometer (B) Hygrometer (C) Barometer (D) Mercury Thermometer Nautical mile is a unit of distance in (A) Navigation (B) Space (C) Aviation (D) None of these HP stands for (A) Harmonic Progression (B) Horse Power (C) Both (A) and (B) (D) None of the above Which temperature in Celsius scale is equal to 300 K? (A) 30°C (B) 27°C (C) 300°C (D) None of these Richter scale is used for measuring (A) Density of liquid (B) Intensity of earthquakes (C) Velocity of wind (D) Humidity of air The instrument used in IC Engine to charge air with fuel vapour is: (A) Carburettor (B) Dynamometer (C) Fuel Pump (D) Fuel Injector The instrument used in aircrafts to measure the altitude above a fixed level is: (A) Ammeter (B) Audiometer (C) Anemometer (D) Altimeter