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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.
| 7651. |
What is speed of efflux in Torricelli\'s law |
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| 7652. |
Define speed efflux |
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| 7653. |
What is tourk |
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Answer» It is the product of position vector(R) ,force (F) And sin of the angle b/w F and R Torque is a rotational analogue of force . The force which pulls upward The force which pulls upwards The torque is a type of force which causes of rotation |
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| 7654. |
How had guts to tell me what\'s frame of reference.How can be decided to select it |
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Answer» 1st of all try to make the reference system properly Trying to find origin |
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| 7655. |
Energy theorem calculus method |
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| 7656. |
Topic of escape speed in gravitation chapter |
| Answer» They minimum velocity required to throw the object outside of gravitational field | |
| 7657. |
About barnolis theorm |
| Answer» If gravitational effect is neglected then the total sum of energy is constant throughout the pipe. | |
| 7658. |
Banked road formula |
| Answer» V square / rg | |
| 7659. |
Pattern for report card |
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| 7660. |
What is orthogonal vector |
| Answer» Perpendicular component of a vector | |
| 7661. |
Newton\'s first law of motion |
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Answer» It state that the body stay at rest unless we can\'t applied force on it Law of inertia It state that a body will continue its state of rest or of uniform motion until or unless an external unbalanced force acts on it |
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| 7662. |
Prove work energy their for variable force |
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| 7663. |
When to use x=,asinwt and y= acoswt in wavevsums |
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| 7664. |
Why does the gravitational force attracts every object but acts as centripetal force for satellites? |
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Answer» Because satellite is not stationary it is revolving around the earth . Because in space no gravitational force |
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| 7665. |
What is the velocity of electron |
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| 7666. |
If a cable wire is shortened to half its original length, how will it\'s elongation be affected? |
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| 7667. |
Momentum |
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Answer» Product of mass and velocity Scaler product of mass and velocity Product of mass and velocity |
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| 7668. |
What is centre of mass? |
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Answer» The point of centre The point in the body at which the whole mass of the body is supposed to be concentrated A particular point or mass of point on which the whole mass depends and all the external force will create effect on that point not on whole body due to which the body come in influence Com is that point where whole mass of body should be conserved |
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| 7669. |
Why the tension is zero in vertical circular motion? |
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Answer» Due to Thita Because at highest point weight of the body cancelled the centripetal force acting outward The the tension will be zero only at highest point because at that point reference point and rotating point will be same |
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| 7670. |
Mechanical energy of freely falling body |
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| 7671. |
What is three laws of plenetary motion |
| Answer» Law of orbit ,law of areas ,law of period..... | |
| 7672. |
What are physical quantities |
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Answer» Measured and independent quantity are known as physical quanyity Numerical quantities and units are physical quantity Quantities which depends upon the physical characteristics of that substance |
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| 7673. |
What is work energy Therom |
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Answer» Work done is equal to change in energy The change in kinetic energy which are final kinetic enery - initial kinetic energy is equal to the the amount of work done |
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| 7674. |
What is principle of moments |
| Answer» When an object is in rotational equilibrilum the sum of clockwise moments is = to sum of anticlockwise moments | |
| 7675. |
Explain the term impulse |
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Answer» It is effect of force for a very small time.... impulse=force×time changes in Linear momentum is known as impulse or Fore applied for a short period of time Force applied for a short duration When a large forse works on a body forvery small time interval,it is called impulsive forse. .it is a vector quantity . Dimension MLT-1 |
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| 7676. |
Difference between gravity and gravitation. |
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Answer» Gravity is gravitation of only earth but gravitation is attraction force but not necessary only for earth Gravitation is force of attraction between the two bodyBut gravity is special case of gravitation where one of the attracting body is earth. We can say the force of attraction between earth and a body is gravitation |
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| 7677. |
State 1law that whole good all natural process |
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Answer» Simranji be cool Law of conservation of energy |
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| 7678. |
What is external force??? |
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Answer» The force applied outside the system is called external force. The force which we get from external bodies in environment The force which is provided to us by any body except our body |
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| 7679. |
What is mean by inelastic collision |
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Answer» In inelastic collision k.E will be changed but not changed after collision In inelastic collision momentum is conserve but k.Eis not conserve |
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| 7680. |
1 N =? |
| Answer» 1 N that much force by which a body displaced by 1 meter by doing 1 joule work1n=1 joule /meter | |
| 7681. |
Newton equation |
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| 7682. |
How to apply principle of moment in numericals |
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| 7683. |
State Kepler\'s law of planetary motion |
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| 7684. |
Bournaulli throram |
| Answer» PV=const | |
| 7685. |
Why action and reaction forces are not cancel each other? |
| Answer» Because action and are applied on different bodies that\'s why they do not cancel each other | |
| 7686. |
What is the areal velocity? |
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| 7687. |
What is the moment of inertia of a disc about any of it\'s diameter |
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| 7688. |
Total enrgy of satellite |
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| 7689. |
Why a body weighs more at ploes than the equator |
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| 7690. |
X=√p/d |
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| 7691. |
Other reason for why we slip on a rainy day |
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| 7692. |
Why we can move in air |
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| 7693. |
In an atom an electron is revolving around nucleus. What is the workdone |
| Answer» Its work done will be zero because its displacement is zero | |
| 7694. |
Prohectile |
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| 7695. |
Projectile in vertical motion |
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| 7697. |
Derive the Time period of simple pendulum |
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| 7698. |
What is kinametics |
| Answer» The branch of mechanics concerned with the motion of objects without reference to the forces which cause the motion. | |
| 7699. |
What is parallel axis theorm |
| Answer» The moment of weight of all particles about the conservation of momentum is equal to zero | |
| 7700. |
What is bernoullis theorem |
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