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General Science English Uttarakhand UDA/LDA (Pre) 2007 MPPCS (Pre) 2000

Q2241.Who propounded the universal law of gravitation?

ANewton BGalileo CCopernicus DEinstein

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General Science English Goa PSC (Pre) 2017 IAS (Pre) 2003

Q2242.Consider the following statements. A 4-wheel vehicle moving in a sharp circular path at high speed will 1. Overturn about its outer wheels 2. Overturn about its inner wheels 3. Skid outwards 4. Skid inwards Which of these statements are correct?

A1 and 3 B2 and 4 C2 and 3 D1 and 4

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General Science English Himachal Pradesh PSC (Pre) 2018 UPPCS (Mains) 2013

Q2243.Consider the following statement and conclusions which can be drawn from it. Choose the correct conclusion. Statement: In starting a loaded cart, one has to push harder than to keep it moving. Conclusion

AThe weight of a moving object is less BThe wheels tend to slip initially CThere is less friction once the cart starts moving DPractice makes perfect

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General Science English IAS (Pre) 2000

Q2244.Assertion (A): A man standing on a completely frictionless surface can propel himself by whistling. Reason (R): If no external force acts on a system, its momentum cannot change. Code

ABoth (A) and (R) are true and (R) is the correct explanation of BBoth (A) and (R) are true, but (R) is not the correct explanation of (A) C(A) is true, but (R) is false D(A) is false, but (R) is true

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General Science English UPPSC (Pre) 2003

Q2245.What is the correct equation for finding the acceleration?

Aa = v u t − Ba = u + vt Ca = v u t + Da = v u +

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General Science English IAS (Pre) 2003

Q2246.An oil tanker is partially filled with oil and moves forward on a level road with uniform acceleration. The free surface of oil, then

Aremains horizontal Bis inclined to the horizontal with smaller depth at the rear end Cis inclined to the horizontal with larger depth at the rear end Dassumes parabolic curve

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General Science English Gujarat PSC (Pre) 2018 IAS (Pre) 1998

Q2247.A person is sitting in a car which is at rest. The reaction from the road at each of the four wheels of the car is R. When the car runs on a straight level road, how will the reaction at either of the front wheels vary?

AIt will be greater than R BIt will be less than R CIt will be equal to R DIt shall depend on the material of the road

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General Science English IAS (Pre) 1996

Q2248.A truck, a car and a motorcycle have equal kinetic energies. If equal, stopping forces are applied and they stop after travelling a distance of X, Y and Z respectively, then

AX > Y > Z BX < Y < Z CX = Y = Z DX ≅ 4Y ≅ 8Z

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General Science English Karnataka PSC (Pre) 2016 IAS (Pre) 1994

Q2249.A man jumped at a speed of 5 metre per second from a stationary boat and the boat moved off with the speed of 0.5 metre per second. How many times is the mass of the boat greater than that of the man?

A5.5 times B4.5 times C2.5 times D10 times

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General Science English UPPCS (Pre) 1994

Q2250.It is difficult to walk on the ice than on the road because

AIce is harder than the road BRoad is harder than the ice CIce does not offer any reaction when we push it with our foot DIce has a lesser friction than the road

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General Science English UP UDA/LDA (Pre) 2010

Q2251.As the train starts moving, the head of the passenger sitting inside leans backward because of

AInertia of Rest BInertia of Motion CMoment of Inertia DConservation of Mass

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General Science English UPPCS (Pre) 2016

Q2252.In wind power, which form of energy is converted into electrical energy?

AKinetic energy BPotential energy CSolar energy DRadiant energy

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General Science English Uttarakhand Lower Sub. (Pre) 2010

Q2253.The energy of wind is

AOnly potential BOnly kinetic CElectrical DPotential and kinetic both

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General Science English MPPCS (Pre) 2000

Q2254.Energy conservation means

AGeneration and destruction of energy BEnergy could be created CEnergy could not be created but destroyed DEnergy can neither be created nor destroyed

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General Science English IAS (Pre) 1997

Q2255.If the number representing volume and surface area of a cube are equal, then the length of the edge of the cube in terms of the unit of measurement will be

A3 B4 C5 D6

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General Science English 45th BPSC (Pre) 2001

Q2256.Force is the product of

AMass and velocity BMass and acceleration CWeight and velocity DWeight and acceleration

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General Science English Himachal Pradesh PSC (Pre) 2019 45th BPSC (Pre) 2001

Q2257.Which physical quantity is represented by the ratio of momentum and velocity of the body?

AVelocity BAcceleration CMass DForce

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General Science English IAS (Pre) 1997

Q2258.Which one of the following is a vector quantity?

AMomentum BPressure CEnergy DWork

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General Science English UPRO/ARO (Mains) 2014

Q2259.Which of the following is a vector quantity?

ATime BSpeed CDisplacement DDistance

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General Science English UPPCS (Mains) 2013

Q2260.A man is standing on a sensitive balance. If he inhales deeply, the reading of the balance

AIncreases BDecreases CRemains unaffected DMay increase or decrease depending on the atmospheric pressure

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