InterviewSolution
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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your Class 11 knowledge and support exam preparation. Choose a topic below to get started.
| 1701. |
If t=ax²+b.Prove that a is directly proportional to -v³ |
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| 1702. |
Hlo friends...Physics mai Chapters:- 1, 2, 3, 4, 5 and 6 kitne-kitne marks k aayenge.... |
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| 1703. |
Differentiate between banking of roads and bending of a cyclist |
| Answer» I think it\'s one difference is that :- In case of banking of road, the road inclined at some angle... But in case of bending of cyclist, the cyclist bend at some angle...... If I m wrong then correct me surely | |
| 1704. |
Define least çount and least count error |
| Answer» least count is the smallest value of the physical quantity which can be measured accurately by the instrument...... least count error can be defined as the error associated with the resolution of the instrument. | |
| 1705. |
Prove that change in kinetic energy is equal to the work done |
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| 1706. |
What are the important topics in"System of particles and rotational motion" ? |
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| 1707. |
Obtain orbital velocity for an artificial satellite |
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| 1708. |
Difine meter |
| Answer» Si unit of lenght | |
| 1709. |
A rubbet ball of the mess of 0.4 kylg |
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| 1710. |
Is 1/2mvsqure dimensionally correct? |
| Answer» No<br>Yes , it is ke<br>Yes<br>Yes<br>yes it is correct because k.e.=potential energy so 1/2 mv^2 =mgh so by doing dimentional analysis you can proved it<br>How??<br>Yes | |
| 1711. |
Relation between torque and angular momentum . State law of conservation of angular momentum |
| Answer» The torque acting on a particle is equal to its rate of change of angular momentum | |
| 1712. |
Parallelogram law of vector addition. |
| Answer» It is sooooo easy | |
| 1713. |
State avogadro\'s hypothesis. Derive the expression of the radius of an atom. |
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| 1714. |
How can you distinguish between raw egg and boiled egg |
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| 1715. |
Explain relative velocity? |
| Answer» Relative velocity is the change in velocity of one object w.r.t to another object. | |
| 1716. |
Define resolution of vector in easy way |
| Answer» Resolving vectors into horizontal and vertical components<br>The method in which two or more vectors are splits is known as resolution of vector. | |
| 1717. |
What is the syllabus of SA1 exam in phy. |
| Answer» From "physical world" to "system of particles and rotational motion"<br>Course for SA1 is chapter numbers 1 to 7 | |
| 1718. |
What is conservation of momentum ? Explain it in brief with example |
| Answer» Momentum before collision is equal to momentum after collision...<br>Conservation of momentum means momentum for a isolated system is conserve. For example the collision between two cars | |
| 1719. |
Obtain the equations of motion of a moving object with positive, negative, and zero acceleration. |
| Answer» v=u+at, s=ut+1/2at*2, 2as=v*2-u*2v=u-at, s=ut-1/2at*2,. -2as=v*2-u*2v=u, s=ut 0=v*2-u*2 | |
| 1720. |
Derive the relative velocity in two dimensions |
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| 1721. |
What is conservative and non conservative forces in short? |
| Answer» Conservative forces are the forces which depend upon the initial nd finl position such as gravitational force where as non conservative forces depend upon the path followed such as friction | |
| 1722. |
Calculate the area of the parallelogram |
| Answer» Base×height | |
| 1723. |
Draw x-t time graph for x=3-5t and x=2+3t fast |
| Answer» May be answer is 5 and so x=3-5t | |
| 1724. |
Derivation of prism formula |
| Answer» Double domble shape | |
| 1725. |
what is archimidies principal? |
| Answer» Archimedes\' principle states that the upward buoyant force that is exerted on a body immersed in a fluid, whether fully or partially submerged, is equal to the weight of the fluid that the body displaces and acts in the upward direction at the center of mass of the displaced fluid.<br>9 me nahi pada kya | |
| 1726. |
A light body and heavy body jave same momentum. Which is having more kinetic energy and why? |
| Answer» Sanaj nhi aya achi terhe se batana jara<br>Light body because ke is directly proptional to v =p^2÷2m<br>Why<br>The light body | |
| 1727. |
Which is fundamental force (1/r^2)type.... {I. e. 1 by r.. Seq.} |
| Answer» This can be gravitational or electromagnetic<br>Plz answer gyes... | |
| 1728. |
Is average velocity a vector quantity |
| Answer» Hey dear Yes av velocity is a vector quantity as it give direction as well as magnitude and its formula is dispacement /time .Displacement is vector quantity<br>Velocity is vector quantity.. and average velocity is displacement divided by time. So it is vector quantity..<br>yes average velocity is a vector quantity | |
| 1729. |
Describe the concept of tension in brief |
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| 1730. |
Relation between angle of friction and angle of repose |
| Answer» Both r equal ? | |
| 1731. |
define parallax |
| Answer» The method which is used to determine the distance between the Earth surface and the other planet or star ,etc is called Parallax method | |
| 1732. |
Which quantity shown by d2v/ dv2 |
| Answer» Then it may be accleration<br>If v is reprwsented as distance or position | |
| 1733. |
SA 1 syllabus in gov. Schools??? |
| Answer» Sis of which board? | |
| 1734. |
Explain why external force are necessary to keep the body in motion |
| Answer» To change the state of any object whether it is in motion or rest, and external force is required. | |
| 1735. |
Parallel axis theorem and perpendicular axis theorem |
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| 1736. |
Prove that second law if motion is real law of motion |
| Answer» It proves 1st law If mass become equal to 0 ,F=0F=ma 0=ma but mass of the body can neither be zero but acceleration become equal to zero a=0 . It means body is not acceleratingThan it proves 1st law<br>⬇it is just a hint becoz we can\'t solve it here<br>prove all the three laws of motion | |
| 1737. |
What happens if someone gets reported? |
| Answer» Heya..then the user cant able to ask ques or those ques which are nt related to study. | |
| 1738. |
Relation between angular velocity and linear velocity |
| Answer» Omega=v *r | |
| 1739. |
What is system of units? |
| Answer» Fundamental and derived, the complete set of units for all physical quantities. | |
| 1740. |
Define Weak force |
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| 1741. |
The resistance r=v/I v=100+-5 I=10+-0.2 find the percentage error ih R |
| Answer» 0.6 | |
| 1742. |
U/t=dx/dt |
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| 1743. |
What is surface energy ? |
| Answer» Surface energy or interfacial free energy, quantifies that disruption of intermolecular bonds that occur when a surface is created. | |
| 1744. |
Explain critical angle |
| Answer» Critical angle is the angle of incidence beyond which rays of light passing through a denser medium to the surface of a less dense medium are no longer refracted but totally reflected. | |
| 1745. |
What is brain drain |
| Answer» When educated peoples leave their country in search for better and advanced things facilities education jobs etc ..to another country | |
| 1746. |
Derivation of momentum conservation |
| Answer» Which angular or linear momentum? | |
| 1747. |
Hai kaise ho sabh pehchana mujhe |
| Answer» No who are you<br>Nahi? | |
| 1748. |
Why Dn=Sn - Sn-1 |
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| 1749. |
What is the total work done by a simple pendulum?? |
| Answer» The work done energy is conserved at every Step in pendulum.<br>it\'s zero I think | |
| 1750. |
Centre of mass of semi circular disc |
| Answer» 4R/3pie | |