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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.
| 9551. |
P=force/area and stress also = to force /area then according to this they must be equal.... |
| Answer» No they are not equal becoz in case of pressure, when a force if applied from outside(Fext.) per unit area but in case of stress, the restoring force(Fr) which is applied from inside... Ultimately, they both apply force per unit area but truely they are different..... | |
| 9552. |
Scape velocity can depend on Mass ... |
| Answer» No | |
| 9553. |
What is definition of physics |
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Answer» Physics is the branch of science which devoted to the study of nature and natural phenomena Physics is that branch of science which deals with various physical phenomenon. |
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| 9554. |
Define kinematic |
| Answer» It is the study of theoratical mechanics in which mechanical motion of particle and rigid body is studied | |
| 9555. |
All constant are dimensionless.comment |
| Answer» Yes | |
| 9556. |
Principle of physical independent of motion |
| Answer» two motions take place independent of each other. This is called the principle of physical independence of motions. The velocity of the projectile can be resolved into two mutually perpendicular components: the horizontal component and the vertical component. Acceleration changes velocity. | |
| 9557. |
what is moi? |
| Answer» Moment of inertia, or MOI, is a property of physics that indicates the relative difference in how easy or difficult it will be to set any object in motion about a defined axis of rotation. The higher the MOI of an object, the more force will have to be applied to set that object in a rotational motion | |
| 9558. |
What is pseudo force?? |
| Answer» It is a imaginary force or fake force used to apply Newton 1st law of motion applicable only with non-interial frame. | |
| 9559. |
Anyone here from Banaras |
| Answer» | |
| 9560. |
Happy Govardhan to all my dear........दोस्तों?? |
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Answer» and sorry ohk thnk u Mr. Sahil. Its today becoz tomorrow will me. Bhaiya dooz Nia its hindu religions Festival and bro sarthak kl h govardhan puja hinduon ki puja hoti h What is govardhan? |
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| 9561. |
Which book is good for 11 |
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Answer» Check yourself that which book better suits u from the above....I mean from which ur concepts will be fully clear..buy that. Everyone has different taste..! The worst book ever SL ARORA S.L Arora is best book it is totally based on N.C.E.R.T with many question. Dc panday Pradeep SL Arora is also good HC Verma |
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| 9562. |
Explain shm |
| Answer» Simple harmonic motion | |
| 9563. |
Anyone here since 10th starting ??? |
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Answer» हम्बऐ, मैं हूँ Yee Yes i. what happened to you?? |
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| 9564. |
F=ma |
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Answer» ? wao.. New formula.. Yah! We know that... |
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| 9565. |
What is angle of repose? |
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Answer» The Angle formed after the inclination of a plane about which an object is kept and after keeping on it, the object is sliding along the plane.... This is called Angle of repose. The angle of repose of a granular material is the steepest angle of descent |
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| 9566. |
What can be the angle between ( A+B vector) and (A-B vector)? |
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Answer» 90° 90 I think the angle b/w these vectors is 90°..... |
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| 9567. |
Videos |
| Answer» | |
| 9568. |
What is gravitational constana? |
| Answer» the constant in Newton\'s law of gravitation relating gravity to the masses and separation of particles, equal to 6.67 × 10−11 N m2 kg−2 | |
| 9569. |
Tell about the topic.....MOMENT OF FORCE....{Main main points only }Plss...its urgent ☹️☹️✌️✌️ |
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Answer» Moment of inertia is same as mass but in rotation motion .I=mr^2 To alll By the way, "HAPPY CHHATH PUJA" ?? 1) Moment of inertia depends upon the axis of rotation............. 2)Different object have different M.O.I ... 3) M. O. I=Mass × (distance) ^2 [since, distance b/w axis of rotation and center of mass of the object ] |
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| 9570. |
If action and reaction are diff.forces with equal and opp. Magnitude why they do not cancelled |
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Answer» Thanx bro Action and reaction forces with equal and opposite but they are not balanced forces because they act on different objects, so they don\'t cancel out. |
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| 9571. |
Beco3 and baco3 which are more stable and why |
| Answer» Thermal stability depends of carbonates depends on the size of the cation . The size of beryllium is smaller than the size of Barium , Hence , BeCO3 is unstable . Barium and carbonate have comparable size. Hence , BaCO3 is stable. | |
| 9572. |
Derivation of 1st rotational equation |
| Answer» | |
| 9573. |
When the acceleration becomes zero is the speed is changing |
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Answer» Wow Ma\'am!!!!awesome explanation ......it will definitely work??? Acceleration is dv/dt. That means it is rate of change in velocity....in this case time can\'t be zero because the object is moving with time so.....according to me?......here change in velocity is zero and that\'s why acceleration would be zero....may be i m not wrong???it\'s my logic.... hope it help you ? If the body moves with constant speed without changing the direction, the acceleration of the body is zero.ie, for constant velocity and no change in direction = no acceleration.Yes , the body have acceleration with zero velocity.for eg:- consider a body moving with some velocity in forward direction and it is stopped suddenly the velocity of the body becomes zero, but still the acceleration acts on it. |
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| 9574. |
What is randons law of inertial viscous?? |
| Answer» | |
| 9575. |
If apple and earth pull each other with equal for why does earth the move toward apple |
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Answer» It is because of the mass. The mass of the earth is very very large as compared to the apple. Because earth mass is very large than apple |
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| 9576. |
State clausius statement |
| Answer» | |
| 9577. |
What\'s Lewis theorem |
| Answer» Lewis acid is an electron-pair acceptor. A Lewis base is any substance, such as the OH- ion, that can donate a pair of nonbonding electrons. A Lewis base is therefore an electron-pair donor. One advantage of the Lewis theory is the way it complements the model of oxidation-reduction reactions. | |
| 9578. |
How to prove angle of friction=angle of repose |
| Answer» | |
| 9579. |
What is friction ? |
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Answer» A force which regiate the motion of any body is called friction.Depend on surface Represent by fs Always opposite to motion It is a resisting force..always opposite to the direction of applied force..it is represented by small f |
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| 9580. |
The resultant of three vectors is zero. how will you represent these vectors |
| Answer» | |
| 9581. |
Prove that work done by gravity force does not depend on path. |
| Answer» Take a ball and project it from a verrical top horozontally.calculate work done it is mgh.so it is not necessary that the ball should travel verticle path | |
| 9582. |
Project releated to physics |
| Answer» | |
| 9583. |
If a vector=8i+2j and b vector=i-2j+3k.Find the magnitude A+B and A-B. |
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Answer» hxfg Hxdfh |
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| 9584. |
Project topics |
| Answer» Wat project ? | |
| 9585. |
What is youngs modulus?? |
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Answer» Ok priya Ur wlcm Thanks priya right answer Longitudinal stress÷longitudinal strain.=Force/area÷delta length/length=force×length/area×delta length Thanks aman please give definition also Youngs modulus = stress /strain |
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| 9586. |
anyone know vim editor programmimg in linux |
| Answer» | |
| 9587. |
What is hess law??? |
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Answer» Good My native is tamil nadu.i am tamilian and i am in ahmedabad (gujarat) right now. Where are u from priya Thanks priya In a chemical reaction one or more steps takes place but heat of chemical reaction will be same Hess\'s law states that the change of enthalpy in a chemical reaction (the heat of reaction at constant pressure) is independent of the pathway between the initial and final states. |
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| 9588. |
On what factors the ability of force to rotate a rigid body depends |
| Answer» | |
| 9589. |
How to derive volume expansion ? defination also . |
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Answer» Volume expansion can be defined as the expansion in volume due to increase in the temperature. This means that , there is increase in length, breadth and height of a substance. Ok priya why are u telling sorry this chapter not taught to u its not your problem ?? hyy I am sorry this chapter is not taught yet in my school or tution. Its imp Priya please answer |
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| 9590. |
Explain OHM S law |
| Answer» Ohm’s law states that , the current flowing through a conductor is directly proportional to the potential difference applied across its ends, provided the temperature and other physical conditions remain unchanged. Mathematically it can be represented as,Potential difference ∝ CurrentV ∝ I ( When the value of V increases the value of I increases simultaneously)V = IR.Here,V is Voltage in volts (V)R is Resistance in ohm (Ω)I is Current in Ampere (A) | |
| 9591. |
What happen to the inertia of an object when its velocity is double ? |
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Answer» Thanks .Inertia is the property of mass that resists change. Therefore, it is safe to say that as the mass of an object increases so does its inertia. ... If you increase either mass orvelocity, the momentum of the object increases proportionally. If you double the mass or velocity you double the momentum. |
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| 9592. |
Give example of couple from our daily life? |
| Answer» Door handle at the end of openingScrew driver thicker | |
| 9593. |
What things i have to study in ray optics in std.11th |
| Answer» | |
| 9594. |
Explain the black body radiation |
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Answer» Tnx for explain A body which can emit or absorb all types of radiation is called black body radiation. When a black body is at uniform temperature. Its emission has a charterstic frequency distribution that depends on temperature .its emission is called black body radiation |
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| 9595. |
Why density of milk increases on removing cream from it |
| Answer» \tIf cream is removed from milk then its density will be around 0.9.\tThe density of milk always depends on three factors.\tThese three factors are water, cream and solid-non fat.\tThe general density of milk is approximately 1.03.\tWhen cream is separated from milk, the weight age of the higher density compound increases.\xa0 | |
| 9596. |
What do you mean by neutral equilibrium |
| Answer» A body is said to be in neutral equilibrium if on being slightly displaced it remains in its new position. FoR EXAMPLE, a ball placed on a horizontal surface or a cone supported on its side on a horizontal surface | |
| 9597. |
Why the moon has no atmoshere |
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Answer» There is no enough gravity which hold the layer of atmosphere so they escape frkm the surface of the moon the escape velocity is very less in comparison to on earth so gases are not there and no atmoaphere There air is absent |
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| 9598. |
from where use a bector |
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Answer» ???? It is vector not bector.... |
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| 9599. |
what is the difference bw kinetic energy and momentum? |
| Answer» Momentum is a vector, which means it’s defined both as to size and as to direction. Whereas energy is a scalar and doesn’t have a “direction.”.A lot of problems are solved by using the principle that momentum is conserved, and (or) that energy is conserved. But they’re not the same thing because momentum is conserved in the direction it was originally, whereas energy doesn’t have any “direction.”Momentum is always conserved in any isolated system but not the Kinetic Energy itself is. | |
| 9600. |
How does gravitational potential energy and escape velocity differ from each other? |
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Answer» Gravitational potential energy is the amount of work done in bringing any mass from infinity to one point....PE=-GMm/r and escaped velocity is the minimum velocity with which an object is thrown so that it may escape from ths gravitational pull of the earth ...It\'s minimum velocity is 11.2km Thnks Sanjeev GPE related with gravitational but escape velocity related with gravity What is this? |
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