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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.
| 1801. |
Difference between solid friction and liquid friction |
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| 1802. |
Define Hydrostatic paradox |
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| 1803. |
How can you prove that Newton\'s 2nd law is real law? |
| Answer» | |
| 1804. |
Define \'^\'. |
| Answer» It is a unit vector . It is defined as vector upon its magnitude | |
| 1805. |
Give physics numericals on topic vectors |
| Answer» If A = 2i^-3j^+7k^ B = i^+2k^& C = j^-k^Find A•(B×C)<br>If A = 2i^+3j^+4k^ and B = 4i^+3j^+2k^, find the angle between A and B<br>The work done by a Force F during a displacement r is given by F.r. Suppose a force of 12N acts on a particle in vertically updated directions and the particle is displaced through 2.0 m in vertically downward direction. Find the work done by the force during this displacement.<br>Find the magnitude of √3i^+4j^ | |
| 1806. |
I=mr×mr prove |
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| 1807. |
Define restoring force |
| Answer» The force responsible for maintaining the SHM is called restoring force. This force is directly proportional to negative of displacement.e.g. Fα -x = F = -kxk is called force constant. | |
| 1808. |
How can i check syllabus in this app.. Sa1 syllabus |
| Answer» Aapko jis bhi suject ka syllabus dekna ho aap us subject ko click karoge to vo aapko cbse syllabus show karega aap vaha se syllabus dekh sakete ho | |
| 1809. |
Derivation of time period of pendulum |
| Answer» Conical Pendulam :- It consists of a string whose upper end is fixed and bob is tied at the other free end. The string traces the surface of the cone, the arrangement is called a conical pendulum.Time Period Of Conical Pendulum :--T=2π√l/g | |
| 1810. |
What is weightlessness? |
| Answer» If I m wrong, then surely correct me?<br>Weightlessness means the object on which force Mg=0...it can be happen when body is falling freely or I think in space also body experience weightless | |
| 1811. |
What is meant by dimenaionless of physical quanyity? |
| Answer» A Quantity Which Have No Dimensions is called dimensionless quantity.Example:-- Strain, Any Constant Term | |
| 1812. |
Calculate the angle of 1° |
| Answer» 1° = π/180 radian<br>1° itself is the angle | |
| 1813. |
There are three block on a surface with mass m1 m2 m3 find the tension and acceleration between them |
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| 1814. |
Apna akl ka name lukhe bhai ????? |
| Answer» Skl likh | |
| 1815. |
Coefficient of viscocity practicle |
| Answer» h | |
| 1816. |
Under what condition v=u+ at applicable |
| Answer» Motion in 1D<br>When accelaration is uniform | |
| 1817. |
derive all the equations of rotational motion |
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| 1818. |
Derive an expression to establish a relationship between different physical quantities. |
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| 1819. |
For the given pulley block system find the acceleration of 2kg block |
| Answer» Mg/m(2×10)/2Ans 10 | |
| 1820. |
Why all planets are elliptical or spherical ???? |
| Answer» Becos centre of gravity of all planets in at the centre of planets which pulls whole body equally this give spherical shape . | |
| 1821. |
Calculus formula |
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| 1822. |
Why we read physics |
| Answer» To study about universe from largest galaxies ro smallest subatomic particle<br>to get knowledge about chemicals<br>To get knowledge about our nature<br>why we read chemistry..?? | |
| 1823. |
What is moton ？ |
| Answer» When an object changes its position with time and surrounding the body is said to be in motion<br>When an object change its place wr to time then the object is said to be in motion<br>In physics whenever an object changes its position the the body(object)is said to be in motion. Layer motion can be classified into two types; Uniform motion Non uniform motion | |
| 1824. |
Units of pressure |
| Answer» Pascal<br>Pascal or N/m\'2<br>Pascal<br>Pascal | |
| 1825. |
If r = 2i^ +3 j^ . Find time of flight... |
| Answer» Give some more conditions | |
| 1826. |
Wha do you mean by Tensor |
| Answer» Tensors are those physical quantities which have different values in different directions at the same point.Moment of inertia, radius of gyration, modulus of elasticity, pressure, stress, conductivity, resistivity, refractive index, wave velocity and density, etc are the examples of tensors. Magnitude of tensor is not unique.<br>Tensors are physical quantities having different value in different directions but not having specified directions | |
| 1827. |
What is poiseuille formula |
| Answer» Poiseuille studied the rate of flow of a liquid throught a horizontal capillary tube.He stated that the volume (V) of liquid flowing per second through a capillary tube varies,i) directly as the pressure difference (p)\xa0across the two ends of the tube,ii) directly as the fourth power of the radius of the tube,iii) inversely as the length of the tube,iv) inversely as the coefficient of viscosity of the liquid.That is, V = (πr4p)/8nl | |
| 1828. |
Define integration |
| Answer» Integration means a long sum<br>Means to add<br>Integration is reverse process of differentiation | |
| 1829. |
Can we get sa 1 sample papers? |
| Answer» Ampere<br>Si unit of current | |
| 1830. |
Mean absolute error |
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| 1831. |
Derivation of fourth equation of motion by calculus method |
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| 1832. |
What is collision?? |
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| 1833. |
Can a quantity have units but still be dimensionless ? If yes give example |
| Answer» Angle<br>Refractive index<br>Strain | |
| 1834. |
If vector a +b+ c =0. Then prove that a.(b×c) =0. |
| Answer» Ghjj | |
| 1835. |
my half yearly exams are on 10 what can I do . I m not prepared for physics.? |
| Answer» Don\'t worry you take a guide of physics and understand the chapters<br>hey iss app mein maths mein jo 6 marks vale questions h aur unme se kuch bohot imp h u should prefer those before exam and tomorrow is my maths exam also i am so tensed<br>Questions bhej dena please mera xam 18 se h pleaseeeeeeeeeeeee.........☺☺☺☺☺☺☺<br>Derivations . No numericals as it is difficult<br>thanks ....but wht in chemistry n maths?<br>Practice main derivations like projectile motion , 3 laws of motion using integration mrthod and some common numericals as much as you can | |
| 1836. |
Flow chart of error in measurement |
| Answer» here flow chart is not possible if you want flow chart so take help from google? | |
| 1837. |
Energy theorem |
| Answer» its conservation of energy theorm | |
| 1838. |
What is youngs module |
| Answer» it is defined as the ratio of normal stress to the longitudinal strain within the elastic limit .unit of young module is Nm^-2. its dimensional formulae is [ML^-1^T^-2 | |
| 1839. |
Is frictional force always negative |
| Answer» May or may be not<br>Depends on situation? | |
| 1840. |
I want to know in our practicals how many experiments are there????? |
| Answer» Thanks mayank<br>In my school we did only 3 practicals - screw guage,verniers calliper, and spherometer | |
| 1841. |
Delive the dimension formula1= pressure 2= power3= momentum |
| Answer» Pressure=force/area=MLT^-2/L^2=ML^-1T^-2 | |
| 1842. |
Define error in case of a measured quantity raised to a power? |
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| 1843. |
What is work energy theoram |
| Answer» According to Work energy theorem,Work done by all the forces = Change in Kinetic EnergyWg + WN + Wf =Kf – KiWhere, Wg = work done by gravityWN = work done by normal forceWf = work done by frictionKf = final kinetic energyKi = initial kinetic energy | |
| 1844. |
Angular velocity of hour hand of clock |
| Answer» I m not sure<br>1.5×10^-4rad m^-1<br>It will be non uniform because on circular path ,directions of moving object changes continuosly . | |
| 1845. |
Define angular momentum of a body and gives its SI unit |
| Answer» Angular momentum of a body about a given axis is the product of moment of inertia and angular velocity of the body about that axis .<br>It is moment of of linear momentum.SI unit = kg m^2/s | |
| 1846. |
Frame of reference |
| Answer» The point from where an observer observed the state (motion and rest) of a body is said to be frame of reference. | |
| 1847. |
Describe the drift velocity. |
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| 1848. |
Scalar dot product |
| Answer» |A|.|B|cos0° | |
| 1849. |
Half yearly exams marks distribution 2018-19 chapterwise class11 |
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| 1850. |
Chandigarh and Ambala are connected with a regular bus service |
| Answer» ?????? | |