What is unit of Pressure...? Mcqs

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What is unit of Pressure...?

(A) Barr
(B) Torr

(C) Pascal
(D) All of these

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The blood pressure is denoted as following...?

(A) Systolic Pressure / Diastolic Pressure
(B) Diastolic Pressure / Systolic Pressure

(C) Venous Pressure / Systolic Pressure
(D) Systolic Pressure / Pulse Pressure

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Amount of pressure of liquid increases with increase of _____...?

(A) Depth
(B) Volume

(C) Temperature
(D) Surface tension

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For a fixed mass of gass at constant temperature, if we decrease volume, the pressure will _________...?

(A) also decrease
(B) increase

(C) remains constant
(D) none of these

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In the atmosphere, if the temperature is low then the pressure is _________...?

(A) Low
(B) High

(C) Normal
(D) All of these

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The melting point of ice at normal atmospheric pressure is ______...?

(A) 0 °C
(B) 0 K

(C) 100 °C
(D) Both 'a' and 'b'

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Solar wind is caused by the high temperature and pressure in the sun’s which atmosphere...?

(A) Photosphere
(B) Chromosphere

(C) Corona
(D) A and B

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The instrument that measures temperature, pressure, and humidity at various altitudes in the atmosphere ___________...?

(A) Barograph
(B) Radiosonde

(C) Aneroid barometer
(D) Altimeter

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A rectangular piece of wood is kept in 3 different ways (A, B, C) on a table. Pressure exerted by the wood on the table will be ____...?

(A) Maximum in position A
(B) Maximum in position B

(C) Maximum in position C
(D) None

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According to kinetic molecular theory, the pressure exerted by a gas is caused by the _______...?

(A) Bombardment of the gas molecules on the walls of the container
(B) Collision between gas molecules

(C) Large distances between gas molecules
(D) Random motion of the gas molecules

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The vapour pressure of a liquid increases with the _______...?

(A) Increase of pressure
(B) Increase of temperature

(C) Increase of intermolecular forces
(D) Increase the polarity of molecules

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The increasing vapor pressure caused by heating a liquid is due to___________...?

(A) increase inter-molecular interactions
(B) increasing potential energy of molecules

(C) increasing kinetic energy of molecules
(D) decreasing surface tension

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Atmospheric pressure at sea level is _______...?

(A) 746 mm
(B) 760 mm

(C) 820 mm
(D) None of these

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The SI unit of “pressure” is _________....?

(A) pascal
(B) joule

(C) tesla
(D) henry

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If a metal block applies a force of 20 N on an area of 5 cm2. Find the pressure being applied by the block on the area of _____ ...?

(A) 100 Ncm^-2
(B) 0.8 Ncm^-2

(C) 0.25 Ncm^-2
(D) 4 Ncm^-2

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One atmospheric pressure is equal to _____...?

(A) 10325 Pascal
(B) 106075 Pascal

(C) 10523 Pascal
(D) 101325 Pascal

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Which of the following scientific instruments is used to measure the atmospheric pressure...?

(A) Odometer
(B) Barometer

(C) Seismograph
(D) Audiometer

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Which of the following blood pressure readings indicates hypotension (low blood pressure)...?

(A) 140/90 mmHg
(B) 120/80 mmHg

(C) 90/60 mmHg
(D) 60/90 mmHg

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The hormone that increases the rate of heart beat and blood pressure after shock in a person is___________...?

(A) Adrenalin
(B) Gastrin

(C) Thyroxin
(D) Pancreatic

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Which law states that the volume of a given amount of gas held at constant pressure is directly proportional to the Kelvin temperature...?

(A) Charles’ Law
(B) Avogadro’s Law

(C) Graham’s Law
(D) Boyle’s law

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When we sleeps blood pressure_____________...?

(A) Increases
(B) Decreases

(C) Remain constant
(D) None of these

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The height at which atmospheric pressure declines by a factor of e (an irrational number equal to 2.71828) is called __________....?

(A) Average height (H)
(B) Scale height (H)

(C) Mean height (H)
(D) Standard height (H)

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__________ is the point in solar system at which pressure from the solar wind is equal to the opposing pressure of the interstellar medium....?

(A) Seliopause
(B) Meliopause

(C) Heliopause
(D) Beliopause

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The atomic mass of an element expressed in gram is ______...?

(A) Gram molecular mass
(B) Gram atomic mass

(C) Gram formula mass
(D) Mole

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_________ means a line on a map connecting points having the same atmospheric pressure at a given time or on average over a given period....?

(A) Isobar
(B) Isobath

(C) Isohel
(D) Isohyet

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Which of the following factor does not affect the pressure of the gas in a container...?

(A) Temperature
(B) Volume

(C) Density of gas
(D) Container material

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Imaginary horizontal line on atmosphere which represent equal atmospheric pressure...?

(A) Isobar
(B) Isotope

(C) Isotone
(D) None of these

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According to Pascal’s principle the pressure applied at a point is same/equal in all direction of enclosed ____...?

(A) Fluid
(B) Solid

(C) Liquid
(D) Plasma

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When a liquid is placed in a container, the pressure applied to the fluid by the container is equal throughout the container is the statement of _____...?

(A) Archimedes' Principle
(B) Bernoulli's Principle

(C) Boyle's Law
(D) Pascal's Law

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Atmospheric pressure decreases with the _______...?

(A) Increase in longitude
(B) Decrease in altitude

(C) Increase in altitude
(D) Increase in latitude

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The hard, solid rocks, whose composition or texture has been changed by heat or pressure in the Earth are called____________...?

(A) Sedimentary rocks
(B) Metamorphic rocks

(C) Igneous rocks
(D) All of the above

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Atmospheric pressure decrease rapidly with altitude because the air becomes_______ ...?

(A) Colder
(B) Less denser

(C) Rich in Ozone
(D) Warmer

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What is relation between Volume of a gas and Pressure...?

(A) Directly Proportional
(B) Exponentially Related

(C) Not Related
(D) Inversely Proportional

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Atmospheric pressure is calculated by the ____...?

(A) Height of water column in a pipette
(B) Volume of gas in a cylinder

(C) Resistance in an electric circuit
(D) Height of mercury column in barometer

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A truck has tyres of area 3 m^2. It puts a pressure of 4000 N/m^2 on the road. What is the weight of the truck (Hint: Weight =Force)...?

(A) 8000 N
(B) 12000 N

(C) 16000 N
(D) 20000 N

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Which of the following is not a unit of pressure...?

(A) Pascal
(B) Bar

(C) Atmosphere
(D) Newton

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The SI unit of “Pressure” is ______...?

(A) Henry
(B) Pascal

(C) Joule
(D) None of these

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Which law states that “equal volumes of all gases, at the same temperature and pressure, have the same number of molecules...?

(A) Boyle’s law
(B) Charles’ law

(C) Gay-Lussac’s law
(D) Avogadro’s law

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Atmospheric pressure acts in _____...?

(A) Only upwards
(B) Only downwards

(C) All directions
(D) Horizonal only

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