16. The SI unit of electric current is
(A) metre
(B) volt
(C) ohm
(D) ampere
17. The quantity which have magnitude but no direction is known as
(A) vector
(B) scalar
(C) real
(D) None of these
18 The formula of density is mass
(a) mass x volume
(b) mass /Volume
(c) volume / mass
(d) mass x velocity
19 Which of the following is a vector quantity?
(a) Speed
(b) Work
(c) Volume
(d) Displacement
20 Which of the following instrument measures blood pressure?
(a) Spherometer
(b) Anemometer
(c) Sphygmomanometer
(d) Ammeter
21 Which of the following device is best suited for measuring the temperature inside metallurgical furnaces?
(a) Pyrometer
(b) Thermocouple
(c) Thermometer
(d) Thermistor
22 The device which is used to measure humidity? (a) Hydrometer
(b) Hygrometer
(c) Psychometer
(d) Anemometer
23 Which of the following device is used to measure depth of ocean?
(a) Hydrometer
(b) Spectrometer
(c) Fathometer
(d) Anemometer
24 Galvanometer is used to measure... .
(a) rain density
(b) distance
(c) electricity
(d) temperature
25 Which one of the following is incorrect?
(a) Work-joule
(b) Power-watt
(c) Capacitance-coulomb
(d) Velocity-ms –¹
26 Match the list I with List II and select the correct answer using the codes given below
LIST I. LAST II
A. Acceleration. 1. Joule
B. Force. 2. Newton second
C. Work done. 3. Newton
D. Impulse. 4. Metre per second
A B C D A B C D
A). B).
C). D).
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