Quiz on Units and measurements Test 13 ( physics ) Welcome to your Quiz on Units and measurements Test 13 ( physics ) Name Email 1. ‘mho’ is the unit of ______ of a substance. (a) conductance (b) resistivity (c) resistance (d) conductivity None 2. 1 horse power is equal to approximately ______ watts. (a) 500 (b) 250 (c) 1000 (d) 750 None 3.Which one among the following measures the same quantity as that is measured by the SI unit ‘pascal’? (a) newton (b) joule (c) watt (d) torr None 4. The difference in temperature between two bodies is 30 degree centigrade. What is the difference in degree Fahrenheit? (a) 72 (b) 54 (c) 64 (d) 86 None 5.Which of the following is the basic SI unit of thermodynamic temperature ? (a) Mole (b) Candela (c) Metre (d) Kelvin None 6.Identify the unit of measurement of energy. (a) Ampere/ (b) Joule (c) Volt (d) Watt None 7. Since the clinical thermometer is designed to measure the temperature of the human body only, it displays the range of 35 degree Celsius to ________. (a) 46 degree Celsius (b) 48 degree Celsius (c) 42 degree Celsius (d) 44 degree Celsius None 8.Which of the following is the SI unit of thermodynamic temperature ? (a) Radian (b) Celsius (c) Kelvin (d) Fahrenheit None 9. ' Tor ' is a unit of _____ (a) force (b) pressure (c) power (d) energy None 10.Which one of the following statements is INCORRECT ? (a)Brass is a mixture of 30% zinc and 70% copper (b)Evaporation causes cooling (c)The measurable unit of pressure is denoted in Metre (d)Matter is made up of small particles None 11. The power of a lens is -2.0 D. Here 'D' stands for: (a) distance (b) dilation (c) dioptre (d) degree None 12.1 horsepower = approximately ____watts. (a) 647 (b) 674 (c) 764 (d) 746 None 13.Heinrich Rudolph Hertz laid the foundation for the future development of radio, telephone and telegraph. The SI unit of ____ was named as 'Hertz' as his honour. (a) Sound (b) Heat (c) Light (d) Frequency None 14.The SI (international system of units) unit of length is ________. (a) metre (b) centimetre (c) millimetre (d) kilometre None 15.The SI (international system of units) unit of length is ________ (a) metre (b) centimetre (c) millimetre (d) kilomet None 16.At which temperature are Fahrenheit and Celsius equal? (a) -30 (b) -40 (c) -10 (d) -20 None 17.In Physics, what is Hubble Constant ? (a)Total energy of Electromagnetic radiations (b)Permittivity in the free space (c)Unit of measurement which explains the expansion of universe (d)Velocity of light in vacuum None 18.What is the S.I. unit of Energy ? (a)Joule (b)Newton (c)Hertz (d)Pascal None 19.Which of the following physical quantity - SI unit pairs is correctly matched ? (a) Power-Kilogram (b) Inductance-Henry (c) Capacitance-Ohm (d) Force-Newton None 20.What is the SI unit of Momentum ? (a) Ampere (b) Kg m/sec (c) Joule (d) Kg m None 21.1 pound = _____ ounces. (a) 16 (b) 18 (c) 12 (d) 20 None 22. Horsepower has how many Watt? (a) 766 Watt (b) 746 Watt (c) 756 Watt (d) 736 Watt None 23.What is the unit of Power of a lens ? (a) Joul (b) Dioptre (c) KWH (d) W None 24.Which of the following quantities have its SI unit named after Blaise Pascal ? (a) Energy (b) Pressure (c) Work (d) Pow None 25.Which of the following has an odometer ? (a)Water heater (b)Car (c)Blood pressure monitoring device (d)Air pump None 26.Which of the following is the unit of Magnetic field strength? (a)Gauss (b)Ohm (c)Tesla (d)Weber None 27. Identify the SI unit of electrical resistance. (a)Ohm (b)Watt (c)Coulomb (d)Ampere None 28.Which of the following instruments measures infra-red radiation ? (a) Phenograph (b) Pyrheliometer (c) Cathetometer (d) Bolomet None 29.The power of a lens is measured by: (a) Ampere (b) Kelvin (c) Candela (d) Diopter None 30.The SI unit of radioactivity is ____________. (a) ampere (b) becquerel (c) decibel (d) cobalt None 31.Identify the unit of measuring the intensity of sound. (a) Knots (b) Ampere (c) Candela (d) Decibels None 32.Which of the following is the SI unit of temperature? (a) Kelvin (b) Reaumur scale (c) Candla (d) Ampere None 33. Which of the following is the SI unit of temperature ? (a) Kelvin (b) Réaumur scale (c) Candela (d) Ampere None 34.What is the SI unit of pressure? (a) Ohm (b) Pascal (c) Volt (d) Ampere None 35.Hertz is the SI unit of: (a)Frequency (b) Force (c) Pressure (d) Energy None 36. A nautical mile is equal to __________. (a) 2000 metres (b) 1852 metres (c) 1672 metres (d) 2450 metres None Time's up
