InterviewSolution
Saved Bookmarks
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.
| 1751. |
relation between k.E and momentum |
| Answer» v=p/m...1 andKe =1/2 mv2 ....2 so from 1 and 2K=1/2 m(p/m)2=p2/2m...3 is the desired relation. | |
| 1752. |
Why third law of motion is called as real law of motion? |
| Answer» It is right but it is five marks question???<br>Second law is called real law of motion becoz both laws ,first &third are proved by it.<br>Because it contains 2nd law and 3rd law of motion | |
| 1753. |
How to study physics in class 11 |
| Answer» See video from physics walleh<br>clear your whole concept and understand the derivation<br>But some terms are bit difficult to understand<br>Just study it by clearing all ur concept | |
| 1754. |
Birds swell their feathers in winter. Why? |
| Answer» coz air is a bad conductor of heat., It does not allow the body heat 2 escape. This keeps the birds warm... | |
| 1755. |
prove that the coefficient of static friction is equal to the tangent of the angle of friction? |
| Answer» F=mgSin thita &R =mg cos thita .coefficient of friction =F/R ,it results ,coefficient of friction =sin/cos=tan thita | |
| 1756. |
Find the expression of maximum velocity of a vehicle for a banked road. |
| Answer» V=gr(sin thita+mue cos thita)÷(cos thita -mue sin thita ). The whole expression is under root. | |
| 1757. |
Explain Torricelli experiment for measuring atmospheric pressure |
| Answer» | |
| 1758. |
Test the validity v= a/t-b+ c/x2- d2 |
| Answer» | |
| 1759. |
What are the relation between linear momentum and torque |
| Answer» Torque = I ×alpha and angular momentum = I × omega and alpha = omega ÷t so torque= I × omega ÷t which is angular momentum ÷t<br>I don,t no | |
| 1760. |
x2 + 10 x -168=0what is the correct factorization for it? |
| Answer» I think this question is not correct.. I m not sure.. | |
| 1761. |
When is the force applied is maximum or minimum? |
| Answer» | |
| 1762. |
Why is "g" taken as negative in projectile motion even though it acts towards gravity? |
| Answer» The direction of the g is always downward, so it is always negative.<br>g as negative it act toward gound is negative<br>Yes g is negative because it acts opposite to gravity it tends to be upward at its ascent position | |
| 1763. |
What is the order of magnitude of 988?? |
| Answer» Thankss<br>3 | |
| 1764. |
By calculus method as well as graphical method prove v=u+at |
| Answer» Thanks<br>Nice ananya, nice way of explanation<br>dv/dt = a dv = a dt Integrate on both the side and put the limits of v as u to v and limits of t as 0 to t. So, you will get v - u = at And hence proved<br>It\'s easy but here I think it\'s not possible..<br>Yes | |
| 1765. |
derive an expression for potential energy stored in a spring of spring constant k when extended by x |
| Answer» | |
| 1766. |
Explain Strain and stess curve |
| Answer» | |
| 1767. |
What is internal friction |
| Answer» Internal friction : It arises on account of relative motion between every two layers of a liquid. Internal friction is also referred to as viscosity of the liquid. | |
| 1768. |
Potential energy of spring |
| Answer» | |
| 1769. |
What is impuls |
| Answer» If a force acts for a very short duration of time, it is called impulsive force and the product of this impulsive force and duration of time is called impulse. | |
| 1770. |
Find the mass of a body weighting 100 dyne. |
| Answer» I dont know | |
| 1771. |
What is magnitude and tension |
| Answer» | |
| 1772. |
Best books to study in physics and chemistry |
| Answer» Arihant+ ncert<br>Physics(pradeep) and chemistry( ncert)<br>Pradeep ,ncert | |
| 1773. |
Numericals of unit 1 |
| Answer» | |
| 1774. |
When the sum of two vector maximum and minimum |
| Answer» Sum of two vectors is maximum when they are inclined at an angle of 0 degree and minimum when they are at an angle 180 degree | |
| 1775. |
How is torque differentiated from force |
| Answer» T = r f and F = ma<br>Torque is cross product of force and displacement and force is rate of change of linear momentum | |
| 1776. |
What does it mean by differentiation of x^2=2x? |
| Answer» | |
| 1777. |
Process of separation of milk from butter over a circular path by centrifugal force |
| Answer» | |
| 1778. |
why is gravitational potential energy negative |
| Answer» Gravitational potential is negative bcoz Earth is attracting the object towards its self or just we can se due to binding force........ For example :- just like an electron is attached to the atom which is negatively charged..... That\'s why gravitational potential is negative.<br>It is negative bcz it is aganist the gravity | |
| 1779. |
Find the height at which the value of g becomes g/2 |
| Answer» Using formula 2sin 2/2g<br>U2sin2/2g | |
| 1780. |
What is buoyancy |
| Answer» ??<br>ye sahi hai.. ? khud pucho khud answer de do.. ?<br>The force exerted by water opposing gravity to throw any object upwards is known as buoyant force and this situation is known as buoyancy | |
| 1781. |
Examples ofNewtons first law of motion with explanation |
| Answer» Nice answer ?<br>When a horse suddenly starts running , the rider falls backward | |
| 1782. |
If 4i^ +7j^+ ak^ is a unit of vector then value of a |
| Answer» | |
| 1783. |
What is rest |
| Answer» Physically an object is in rest is referred as when the object is not moving with respect to a point of reference<br>THE OBJECT WHICH IS IN REST IT WANT IN REST | |
| 1784. |
What\'s acceleration |
| Answer» Rate of change of velocity with respect to time.<br>rate of change of displacement with respect to time | |
| 1785. |
Describe the parralax method to measure the distance of distance star.Plz friends answer fast. |
| Answer» Thanks prasant but i need answer in detail .like how we find distane star distance from earth by parallax method.<br>Thitha =l÷d<br>Plz anyone answer my question | |
| 1786. |
Suppose that a=2i + J,. B = i - 4j + k ,C= j + k,. What is the magnitude of the vector 2a - b + c. ? |
| Answer» | |
| 1787. |
State and Prove parallelogram law of vector addition?? |
| Answer» but to prove it here is not possible<br>if two vectors are represented by the two adjacent sides of a parallelogram by both magnitude and direction from a point, then their resultant can be represented by the diagonal of the parallelogram from the same point..... | |
| 1788. |
why does person lower his hands while catching a ball |
| Answer» Due to impulse which is defined as total effect of force Impulse is equal to force × time Than while catching a ball force is more than time so cricket player lower his hand to decrease the effect of force<br>Nice answer ?<br>To increase the time of contact of the ball with his hand so that force exerted on his hand by the ball is less | |
| 1789. |
Projectile motion is which kind of motion |
| Answer» A type of parabolic motion... ?? | |
| 1790. |
Derive the relation by using Homogenity principle .Unit 1. |
| Answer» | |
| 1791. |
Elastic collision in one Dimension |
| Answer» Long dimension please going on YouTube | |
| 1792. |
Give physics numericals on topic vector |
| Answer» If a=i-j, b=i+j, c=i+3j+5k and \'n\' is a unit vector such that b.n=0, a.n = 0 then whta is the value of | c.n |. | |
| 1793. |
Pattern of SA1exam of physics with marking scheme chapterwise |
| Answer» What is the marking scheme mam<br>Hii<br>What is the marking scheme mam | |
| 1794. |
The linear momentum of a body is increased by 20%. Then what is the percentage of change in k. E.? |
| Answer» | |
| 1795. |
What topics of physics we must know |
| Answer» each and every topic coz it\'s 11th kab teacher ka dimag fir Jaye don\'t have any idea aur vo aisa topic dal de jise hum Halke may le rhe hoo...? don\'t have any idea of it so study and revise all topic that are given in ncert | |
| 1796. |
A spring is cut into two equal halves. How is the spring constant of each other affected? |
| Answer» Then the resulting spring constant of each of the new halves is 2K, that is twice the original one. If a spring of spring constant K is cut into n equal parts then new spring constant of each spring is nK. | |
| 1797. |
Your physics syllabus complete and your paper is done SA1 then please questions |
| Answer» | |
| 1798. |
Angle of repose angle of friction |
| Answer» The angle which the resultanted of limiting friction and normal reaction make with normal is called angle of friction. The minimum angle that are inclined makes with horizontal when a body on it just began to slide down is known as angle of repose . | |
| 1799. |
Please give me half yearly question paper i want to practice. |
| Answer» | |
| 1800. |
Important Dimensions kon say hai please mujy bta dho |
| Answer» | |