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This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 6951. |
Problem based on spring |
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| 6952. |
How does internal enargy of an ideal gas change during isothermal process |
| Answer» Internal energy doesn\'t change because it depend on temperature and in isothermal process temperature remain constant. | |
| 6953. |
What is shear strain? |
| Answer» When some external force is applied parallel to the cross -section ofcylindrical body or any other body , a relative displacement (x)is seen b/w both the opposite phases of that body . So the ratio of the displacement (x) to the original length (l) is known as shear strain . | |
| 6954. |
State the relation between impulse and momentum |
| Answer» Impulse is rate of change of momentum | |
| 6955. |
What is pulley problem |
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| 6956. |
What is perfectly elastic collision |
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Answer» No loss of kinetic energy e=1 When e=0 |
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| 6957. |
Pressure ka dimensions formula Kya hota ha |
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Answer» M1L-1T-2 Ml^-1T^-2 |
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| 6958. |
What is hang and reaction time ? |
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| 6959. |
Finak |
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| 6960. |
what is laminar flow? |
| Answer» Stream line flow is knowm as laminar flow. It is smooth nd its velocity is less than critical velocity | |
| 6961. |
derivation of centripetal accleration. pls explain it clearly. |
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Answer» Payal tumhe Mai samjhao kaise yaar acc-- vsquarebyr Copy me hai dear |
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| 6962. |
Explain how corners cycle work with the heat flow diagram |
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| 6963. |
What is beats |
| Answer» When two or more than two waves super impose on each other then certain amount of changes occur in its intensity . the phenomenon of change in intensity is called beats | |
| 6964. |
? what is simple harmonic motion.??? |
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Answer» A motion is said to be S.H.M if it move to & fro motion about mean position under action of restoring force which is directly proportional to its displacement from mean position. We can clasify motion into periodic or nor periodic osilatry motion is part of periodic motion or SHM is part of periodic or oscilatry motion |
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| 6965. |
Sol of cbse last year paper 2 |
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| 6966. |
Two turning forks of frequencies 488 Hz and 480 Hz vibrate together.how many beats can be heard? |
| Answer» As we beat is equal to nu2-nu1.So beat =488-480=8 | |
| 6967. |
How we can concentrate on our study in exam time and how we can make a time table for Study |
| Answer» There is no need of time table only focus that your revision is completed or no if any chapter is remaining then do it there is no need of time table | |
| 6968. |
relation between G and g |
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Answer» G is gravitational constant but g is acceleration due to gravity G = gravitational constant = F×r×r/Mm g = gravity = GM/ r×r g=GM/R2 G is gravitational constant, and g is gravity |
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| 6969. |
Define v=u+at from velocity time graph? |
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| 6970. |
Define modules of elasticity and write down it\'s units and dimensions? |
| Answer» It is defined as the ratio of tangential stress to the shearing strain within the elastic limit SI unit is Nm-² or pa | |
| 6971. |
State the second law of thermodynamics and write it\'s two applications it |
| Answer» Pls give the answer | |
| 6972. |
Calculate the degree of freedom for monotonic, diatonic and romantic gas |
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Answer» Degree of freedom =Fn-k. Where n =no.of moles and k =independent relation.For monoatomic gas degree of freedom is 3.For diatomic gas degree of freedom is 5.For triatomic gas degree of freedom is 6 in linear and 7 in nonlinear.Degree of freedom of polyatomic gas is 1÷2 kb×t OK pls give the answer Mind your spelling it is not romantic it is tri atomic gas .Don\'t do this type of carelessness on this pres |
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| 6973. |
What do you mean by mean free path and write isothermal expansion |
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Answer» Pls give the derivation It is define as the path covered by a gas molecule with out any collision . It has derivation I don\'t have time to give you derivation |
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| 6974. |
Describe carnot cycle ???? |
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| 6975. |
What is a rigid body? |
| Answer» A rigid body is a solid body in which deformation is zero or so small, it can be neglected.The distance between any two given points on rigid body remains constant in time regardless of external forces acts on it.A rigid body is usually considered as continous distribution of [email\xa0protected] | |
| 6976. |
Why we feel weightlessness on giant wheel |
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| 6977. |
Modulus of ridigity |
| Answer» Modulus of Rigidity - G - (Shear Modulus) is the coefficient of elasticity for a shearing force. It is defined as"the ratio of shear stress to the displacement per unit sample length (shear strain)"Modulus of Rigidity can be experimentally determined from the slope of a stress-strain curve created during tensile tests conducted on a sample of the material.The definition of Modulus of Rigidity:the ratio of shear stress to the displacement per unit sample length (shear strain) | |
| 6978. |
Write the SI unit of gravitional constant? |
| Answer» Newton metre square per kilogram square(Nm^2/kg^2) | |
| 6979. |
Define beat |
| Answer» The periodic alternation of loudness of sound between max. and min. | |
| 6980. |
What is organ pipe |
| Answer» It is the simplest musical instrument in which sound is produced by setting an air column into vibrations | |
| 6981. |
Kepler second law of planetrymotion |
| Answer» "The line joining a planet to the sun sweeps out equal areas in equal intervals of time."Or you can say that, "The areal velocity of the planet around the sun is constant." | |
| 6982. |
Derive an expression of Time Period for SHM |
| Answer» 2π√m/k | |
| 6983. |
What are important topics for class 11.. |
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| 6984. |
Is an satellite orbittind around Earth\'s orbital undergoing SHM? |
| Answer» No | |
| 6985. |
How do I prepare for CBSE class 11 exam in less than a month...(way to study) plsss help |
| Answer» 3 hours math .2hours physics .2hours chemistry and 1.5 hours english and 1hour tense | |
| 6986. |
Derive standing waves in open organ pipe |
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| 6987. |
What is the difference between damped oscillation and undamped oscillation? |
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| 6988. |
Derivation of standing waves in closed organ pipe |
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| 6989. |
At what height acceleration due to gravity while be half |
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| 6990. |
How to proof the third equation of motion graphically?i.e, v²=u²+2ax |
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| 6991. |
Why solution of last year exam is not available |
| Answer» Bcz if it is available you gonna to cheat from it?? | |
| 6992. |
find the relative error in Z, if Z= A4 B 1/3 /cd3/2. |
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| 6993. |
Why acricket players lowers his hand to catch the ball safely |
| Answer» So that its time increases due to which impulse force on hand should me minimum | |
| 6994. |
What is wave ? |
| Answer» A wave is an oscillation accompanied by transfer of energy. | |
| 6995. |
Kepler\'s law ( law of periods ) |
| Answer» The square of the time periods of revolution of a planet is directly proportional to cube of the semi - major axis of the eliptical [email\xa0protected] | |
| 6996. |
Bernoulli\'s principal |
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| 6997. |
Dimensonally prove t |
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| 6998. |
Where find last few years paper of phys.bio.chem. of HBSE board?? |
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| 6999. |
Inertia |
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Answer» It is a inherent property of a body vitue of which it resists change It is simply 1st law of motion...that, every body in this world wants to remian in rest position, until unless any external force is applied on it. |
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| 7000. |
distinguish longitudinal wave and transverse wave |
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Answer» It\'s vop and dop Vop and dip×× Wave having vip and dip parallel is longitudinal and the wave having vop and dop perpendicular to rach other is transverse... |
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