Description : Which of the following is NOT an SI unit of measure? w) watt x) newton y) joule z) erg e) second
Last Answer : ANSWER: Z -- ERG
Description : Name the quantities which are measured by the following units. (i) Newton (ii) Joule (iii) Watt (iv) Volt (v) Light year (vi) Angstrom (vii) Acre-foot (viii) Becquerel (ix) Hertz (x) Cusec
Last Answer : Answers: (i) Force (ii) Work Energy (iii) Power of electricity (iv) Potential difference (v) Distance of stars and planets (vi) Length (vii) Volume (viii) Radioactivity (ix) Frequency (x) Rate of flow of water
Description : The unit of electrical power is the _____________. A. ampere B. kilovolt C. watt D. farad
Last Answer : Answer: C
Description : The SI unit of frequency is _______. a)metre b)seconds c) hertz d)pascal
Last Answer : c) hertz
Description : SI unit of luminous intensity is ______. (1) lumen (2) lux (3) candela (4) watt
Last Answer : (3) candela Explanation: Luminous intensity is a measure of the wavelength-weighted power emitted by a light source in a particular direction per unit solid angle, based on the luminosity function, a ... the sensitivity of the human eye. The SI unit of luminous intensity is the candela (cd).
Description : _________ is the unit of pressure and stress. a) Newton b) Pascal c) Hertz d) Joule
Last Answer : Pascal
Description : __________ is the unit of force. a) Newton b) Pascal c) Hertz d) Joule
Last Answer : Newton
Description : The unit of power in S.I. units is (A) Newton meter (B) Watt (C) Joule (D) Kilogram meter/sec
Last Answer : (B) Watt
Description : The unit of force in S.I. units is (A) Kilogram (B) Newton (C) Watt (D) Dyne
Last Answer : (B) Newton
Description : 5. Unit of surface tension in S.I. unit is (A) Watt/m (B) Joule/m2 (C) Newton/m2 (D) Joule/m
Last Answer : Option B
Description : The unit of power in S.I. units is (a) newton (b) pascal (c) erg (d) watt (e) joule.
Last Answer : Answer : d
Description : Units of stress are A. Newton B. Joules C. Pascal D. Watt
Description : Hertz is a unit for measuring – (1) Intensity of waves (2) Frequency of waves (3) Wavelength (4) Clarity of waves
Last Answer : (2) Frequency of waves
Description : Hertz is a unit for measuring (1) Intensity of waves (2) Frequency of waves (3) Wavelength (4) Clarity of waves
Last Answer : Frequency of waves
Description : What is the SI unit of energy? A. Newton B. Btu C. Calorie D. Joule
Last Answer : Joule
Description : 'Farad' is the unit of : (1) Capacitance (2) Inductance (3) Resistance (4) Conductance
Last Answer : (1) Capacitance Explanation: The Farad is the SI derived unit of capacitance. It is named after the English physicist Michael Faraday.
Description : What is unit of Electrical Capacity? (1) henry (2) farad (3) volt (4) ohm
Last Answer : (2) farad Explanation: Henry is unit of Magnetic Induction, volt is unit of Potential Difference, ohm is unit of Electric Resistance.
Description : ‘Farad’ is the unit of : (1) Capacitance (2) Inductance (3) Resistance (4) Conductance
Last Answer : Capacitance
Description : The force which produces an acceleration of 1 m/sec2 in a mass of 1 kg is called a.100 ergs b.one Newton c.one watt d.One erg e.one joule
Last Answer : b. one Newton
Description : Who invented the Railway engine first? A. Charles Babbage B. George Stephenson C. James Watt D. Isaac Newton
Last Answer : B [George Stephenson] Explanation: In In 1825 George Stephenson built the Locomotion for the Stockton and Darlington Railway. This was the first public steam railway in the world and then in 1829, ... is divided into 18 zones. Recently added South Coast Railway zones in Indian Railway (2019).
Description : Who invented the railway engine? (a) Charles Babbage (b) Isaac Newton (c) James Watt (d) George Stephenson
Last Answer : (d) George Stephenson
Description : The steam engine was invented by (1) James Watt (2) James Prescott Joule (3) New Commen (4) Isaac Newton
Last Answer : (1) James Watt
Description : The sounds having a frequency of 20 Hertz to 20,000 Hertz are known as – (1) Audible sounds (2) Ultrasonics (3) Infrasonics (4) Megasonics
Last Answer : (1) Audible sounds Explanation: An audio frequency is characterized as a periodic vibration whose frequency is audible to the average human. It is the property of sound that most determines ... 000 Hz, although the range of frequencies individuals hear is greatly influenced by environmental factors.
Description : The frequency of a wave is 2/10 Hertz. What is the period of this wave?
Last Answer : ANSWER: 5 SECONDS
Description : The frequency of a wave is 50 Hertz and its wavelength is 25 meters. What is the velocity of this wave?
Last Answer : ANSWER: 1250 METERS/SECOND
Description : The speed at which a wave propagates down a string is 300 meters per second. If the frequency of this wave is 150 Hertz, what is the wavelength of this wave?
Last Answer : ANSWER: 2 METERS
Description : The sounds having a frequency of 20 Hertz to 20,000 Hertz are known as (1) Audible sounds (2) Ultrasonics (3) Infrasonics (4) Megasonics
Last Answer : Audible sounds
Description : In SI units, thermal conductivity is expressed in (A) Watt/m.°K (B) Watt/m2 . °K (C) Watt/m2 . °K (D) Watt/m4 . °K
Last Answer : (A) Watt/m.°K
Description : The basic measuring unit of inductance is the _________. A. coulomb B. ohm C. farad D. henry
Last Answer : Answer: D
Description : Which of the following is the unit of perceived loudness of sound? (1) Decibel (2) Sone (3) Hertz (4) Phon
Last Answer : (2) Sone Explanation: Loudness is a subjective characteristic of a sound (as opposed to the sound-pressure level in decibels, which is objective and directly measurable). Perceived loudness of sound ... on sound pressure level, the frequency spectrum, and the time behavior of the sound in question.
Description : The unit of measurement of noise is – (1) Decibel (2) Hertz (3) Amplifier (4) Acoustics
Last Answer : (1) Decibel Explanation: The decibel (dB) is the unit used to measure the intensity of sound or noise level. It is given in terms of a logarithmic function of a ratio of power intensities. One ... one bel, named in honor of Alexander Graham Bell who was the inventor of the telephone and phonograph.
Description : The unit of measurement of noise is (1) Decibel (2) Hertz (3) Amplifier (4) Acoustics
Last Answer : Decibel
Description : Which of the following is the unit of perceived loudness of sound ? (1) Decibel (2) Sone (3) Hertz (4) Phon
Last Answer : Sone
Description : A two farad and a four farad capacitor are connected in parallel. What single capacitance is "equivalent" to this combination?
Last Answer : ANSWER: 6 FARADS
Description : If a three farad capacitor and a six farad capacitor are connected in parallel, what is their equivalent capacitance?
Last Answer : ANSWER: 9 FARADS
Description : A 10 farad capacitor is used in a circuit. The voltage difference between the plates of the capacitor is 20 volts. What is the magnitude of the charge on each of the capacitor's plates?
Last Answer : ANSWER: 200 COULOMBS
Description : A two farad and a four farad capacitor are connected in series. What single capacitance is "equivalent" to this combination?
Last Answer : ANSWER: 4/3 FARADS
Description : The unit of electrical power is – (1) Bolt (2) Watt (3) Kilowatt hour (4) Ampere
Last Answer : (2) Watt Explanation: Electric power is the rate at which electric energy is transferred by an electric circuit. The SI unit of power is the watt, one joule per second. Watt is named after the Scottish engineer James Watt who invented the Newcomen Steam Engine.
Description : Watt is a unit of - (1) Time (2) Power (3) Light (4) intensity of light
Last Answer : (2) Power
Description : The unit of electrical power is (1) Bolt (2) Watt (3) Kilowatt hour (4) Ampere
Last Answer : Bolt
Description : Which unit we use to express nuclear sizes? (1) Tesla (2) Newton (3) Fermi (4) None of above
Last Answer : (3) Fermi
Description : What is the SI unit of loundness? -Physics
Last Answer : Sone, unit of loudness. Loudness is a subjective characteristic of a sound (as opposed to the sound-pressure level in decibels, which is objective and directly measurable).
Description : What is the SI unit of quantity of matter ?
Last Answer : SI unit of molecular volume.
Description : What is the SI unit of electric current ?
Last Answer : SI unit ampere of electric current .
Description : Which is the SI unit of temperature ?
Last Answer : SI unit of Kelvin temperature .
Description : What is pressure SI unit ?
Last Answer : SI unit pascal of pressure.
Description : What is the SI unit of temperature ?
Last Answer : The SI unit of temperature is Kelvin.
Description : What is the SI unit of entropy ?
Last Answer : Entropy 's SI unit JK-1
Description : What is the unit of intensity of sound in Si method ?
Last Answer : The unit of sound intensity in the Si method is Wm ^ -2
Description : What is the SI unit of lens power ?
Last Answer : : The SI unit of lens power is 7 Radian / meter