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This section includes 7 InterviewSolutions, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Sketch clearly using scale indicators,the position p(4,-5,6)with reference to a point Q(0,0,0) |
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Answer» PLEASE MARK me as BRAINLIEST please please please please please please please |
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| 2. |
. In fig. speed of each partideafter 4 sec(1) 0.872 m/s(2) 8.72 m/sDO 218 m/s14(4) 2 18 m/s11 |
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Answer» Answer: OPTION b is the correct answer Explanation: MARK as BRAINLEIST and follow me |
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| 3. |
Why delta is used in physics? |
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Answer» Answer: In general physics, delta-v is simply a change in velocity. The Greek uppercase letter delta is the standard mathematical symbol to represent change in some quantity. DEPENDING on the situation, delta-v can be either a spatial vector (Δv) or SCALAR (Δv). ... v1or V1 is SUBSEQUENT velocity (at time t1). mark my answer Brainiest answer follow me pls |
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| 4. |
4. Derive the formula : v=u+at where the symbols have usualmeaning5. A driver decreases the speed of car from 25m/s to 10m/s in5 seconds. Find acceleration of the car |
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Answer» 4. Answer : Final velocity = Initial velocity + ACCELERATION × TIME |
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| 5. |
ਸਰਕਟ ਵਿਧੀ ਵਿਚ ਕਿੰਨੇ station ਰੱਖੇ ਜਾ ਸਕਦੇ ਹਨ |
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Answer» ਮਾਫ ਕਰਨਾ, ਮੈਨੂੰ ਪੱਕਾ ਪਤਾ ਨਹੀਂ |
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| 6. |
Find the average vilocity when a person complete a full round around a circlular ground of radius 70metere in 88seconds. |
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Answer» Answer: HEY mate! Here is UR answer... Explanation: After full round of circular ground, displacement(s) = 0m Time taken = 88s Final velocity(v) = s/t = 0/88 = 0m/s Average velocity = u+v/t = 0+0/88 = 0/88 = 0 m/s Mark me as BRAINLIEST... |
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| 7. |
71. Are the direction of acceleration on a body and thedirection of external force acting on the body alwaysthe same? If not, give an example. If the given state-ment is true, how do you account for it in the fol-lowing situation? A toy car is tied to a string and isbeing pulled in a direction making an angle with thehorizontal, whereas the toy car accelerates in a hori-zontal direction as shown in the figure.FIoO |
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Answer» Not true. Explanation: When a body is thrown UPWARD,force is applied by US in upward direction but acceleration due to gravity ACTING downward. |
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| 8. |
Plz answer this question...................... |
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| 9. |
Derive equations of uniformly accelerated motions |
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Answer» Answer: These are: a = the acceleration, taken to be constant, t = the amount of time the object has been accelerating, VO = the INITIAL VELOCITY of the object, vf = the velocity of the object at time t LATER, and Δx = the displacement of the object during the time interval. Explanation: HOPE it helps you and please mark my words as Brainlist pleeeeeeease May God make your smile biggesttttttttt |
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| 10. |
Write any three differences between Travelling and Standing waves. |
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Answer» In a travelling wave, the crests MOVE. In a standing wave, the wave does not move, but there is an oscillation at every point. ... The MAXIMUM amplitudes of a standing wave keep occurring in the same places. The maximum amplitudes of a traveling wave OCCUR at every successive POSITION on the path of propagation. HOPE THIS HELPS YOU... |
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| 11. |
The direction of magnetic field produced by a current-carrying small elementof any shape is given by... .()Lenz law(0)Newton's law(0)Right hand screw law(0)Fleming left hand rule |
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Answer» Biot-Savart law, in physics, a fundamental quantitative relationship between an electric CURRENT and the magnetic field it produces, based on the experiments in 1820 of the FRENCH scientists Jean-Baptiste Biot and Félix Savart. hope it help U mark as BRAINLIST |
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| 12. |
Photons of energy 6 ev fall on the surface of a metal with work function 4 ev. The stopping potential of the metal surface is |
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Answer» The minimum reverse POTENTIAL to be APPLIED for stopping the EMISSION of electrons is : A . 2 V. |
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| 13. |
Find v1 and v2 in the circuit shown in Fig. 2.43. Also calculate i1 and i2 and the power dissipated in the 12-Ω and 40-Ω resistors. Figure 2.43 |
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Answer» where is the diagram |
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| 14. |
a 0.5 m wire stretched horizontally carrying a current of 10A from east to west in a magnetic field 0.1T directed vertically downwards .The magnitude and direction of force on the wire are |
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Answer» Answer: 0.5 N Explanation: |
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| 15. |
Water cannot be used instead of mercury in a barometer |
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Answer» Explanation: That is, if water is used in BAROMETER tube instead of mercury, the length of the tube must be greater than 10.326 CM. A greater HEIGHT will be difficult to hold in a vertical position and needs a high TOWER to INSTALL the barometer. So, we cannot replace mercury by water in the barometer. |
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| 16. |
Work done by a conservative force on an object at a closed path is |
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Answer» Answer: conservative force is a force with the property that the total work done in MOVING a particle between two points is independent of the taken path.[1] Equivalently, if a particle travels in a CLOSED loop, the total work done (the SUM of the force acting along the path multiplied by the DISPLACEMENT) by a conservative force is zero.[2] A conservative force depends only on the position of the object. |
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| 17. |
Find v1 and v2 in the circuit shown in Fig. 2.43. Also calculate i1 and i2 and the power dissipated in the 12-Ω and 40-Ω resistors.Figure 2.43 |
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Answer» SHOW the figure Explanation: |
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| 18. |
A water pump cannot lift water more than 10 meters high from the earths surface |
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Answer» Explanation: There is NO WATER PUMP that is able to lift more than 10 meters, whether “hand” operated or powered. Physics is the culprit here because there is only a maximum of 14.7 pounds per square inch available to support a COLUMN of water that high, and that is at sea level. hope it helps you dear mate and follow me and MARK me as brainliest and VOTE for my answer❣️❣️ |
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| 19. |
a table can move easily but not a iron safe cannot give reason..?? Mark me as the brainliest question plz |
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| 20. |
इस आकृति के ध्यान में रखते हुए F1 ,F2 ,F3 ke component |
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| 21. |
a man was initially at rest at Boundary suddenly man strats running along the the Boundary with speed u |
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| 22. |
A force F acting on a particle varies with the position x as shownin the graph. Find the work done by the force in displacing theparticle from x=-a to x=+2a1) 3ab/2 2) 4ab/23)2/3ab 4)2/4ab+2a-b |
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Answer» X=−a to x=+2a Average FORCE =2−b+2b=2b W=∫−a2aFdx =∫−a2a2bdx W=2b[x]−a2a =2b[2a+a] =23ab |
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| 23. |
A 0.5kg ball hit its wall at a speed of 20m / s at an angle of 45 and then bounced off it at the same angle. If the contact time between the sphere and the maps isSo calculate pushing the wall on the ball and theThe average effective force that the wall affects the ball and The ratio between this force and the force of gravity? |
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Answer» একটি 0.5 কেজি বল 45 ডিগ্রি কোণে 20 মি / সেকেন্ড বেগে তার দেয়ালে আঘাত করে এবং তারপরে একই কোণে এটিকে বাউন্স করে দেয়। যদি গোলক এবং মানচিত্রের মধ্যে যোগাযোগের সময়টি হয় তবে বলটি প্রাচীরটি বলের উপর প্রভাব ফেলতে পারে এবং প্রাচীরটি বলকে প্রভাবিত করে এমন গড় কার্যকর শক্তি এবং এই বল এবং মহাকর্ষের বলের মধ্যে অনুপাতের গণনা করে |
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| 24. |
rectangular block measures 8 cm by 5cm by 4cm, and a mass of 1.2kg. (i) What is the weight of the block (ii)What pressure will it exert if it is resting on a table on its smallest face? |
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Answer»
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| 25. |
if there are four passengers having mass of 40kg,55kg,60kg and 30kg what is the kinetic energy of the car moving with 50km/h |
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Answer» Out of my SYLLABUS Can't answer SORRY |
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| 26. |
How are colour and wavelength of light dependent on one another ? |
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Answer» Answer: The colour of visible light depends on its wavelength. These wavelengths RANGE from 700 nm at the red end of the spectrum to 400 nm at the VIOLET end. ... Red has the longest wavelength, and violet has the shortest wavelength. When all the waves are SEEN together, they MAKE WHITE light. |
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| 27. |
Described briefly the method you would take in locating the position of an obj any an ordered pair of value (8,4) |
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Answer» Answer:
Explanation: ✌️please mark as BRAINLIEST answer✌️ |
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| 28. |
The potential energy of a body is given by P.E= |
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Answer» MARK this as BRAIN LIST answer Explanation: P.E=mgh where, m=mass g=gravity h=height |
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| 29. |
In physics class teacher ask to his students that man carrying a loans of 50 Newton in his hand puling it the area of pain where the load act is 5 metre square .then |
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| 30. |
Calculate displacement in the given case PA=3km;AB=4km;CQ=6km;BC=5km |
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Answer» 10km is the answer just DIVIDE the FIGURE into a TRAPEZIUM and a SQUARE. |
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| 31. |
A rock is thrown horizontally from the top of a cliff 98 m high, with a horizontal speed of 27 m/s.For what interval of time is the rock in the air? How far from the base of the cliff does the rock land? With what velocity does the rock hit? |
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| 32. |
3. The following diagram shows a part of the periodic table containing first threeperiods in which five elements have been represented by the letters o, b, c, d, ande(which are not their chemical symbols):18117152.131(a) Which letter represents an alkali metal? Name the alkali metal.(b) Which letter represents a halogen? Name the halogen.(c) What type of chemical bond is formed between a and e?(d) What type of chemical bond is formed between d and e? |
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Answer» Explanation: |
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| 33. |
Which law of Newton explains about the balanced forces on a body? |
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Answer» GRAVITATIONAL LAW MAY be |
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| 34. |
स्टोक्स के नियम की चार शर्ते लिखिए |
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Answer» Answer: 1 Bika HUA Mal wapas NAHI Hoga 3 Mal made in India ha 4 branded Mal hai |
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| 35. |
A physical quantity (m=3)kg is multiplied by a vector a vector such that f vector=mavector find magnitude and direction of f vector is |
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Answer» Answer: |
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| 36. |
Why is it advised to tie any luggage kept on the roof. which law of motion does it represents? |
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Answer» ssc gd question |
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| 37. |
11Friction : A NecessaryEvil |
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Answer» Friction is a necessary as-
It is an evil as-
Thus, friction is a necessary evil. |
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| 39. |
गिव एग्जांपल्स आफ वेक्टर क्वांटिटी |
Answer» Correct question :Give examples of vector quantity . Answer :A vector quantity is any physical quantity that has both magnitude and direction and which obeys the vector law of addition . Some examples of vector QUANTITIES are :
Vector law of addition is GIVEN by : Any physical quantity that may have both magnitude and direction but doesn't obeys Vector law of addition is not counted as a vector quantity . For example : ELECTRIC CURRENT . The vector quantities are the cross product of any two vector quantities or a vector or scalar quantity while scalar quantity is a dot product of other two physical quantities . |
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| 40. |
To make a saturated solution, 25 gram of sodium chloride is dissolved in 100 gram of water at 298 k. the concentration of the solution will be :-plsss answer me fast guys... |
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Answer» Answer: 28.8% MASS of solvent=25g mass of solvent=100g concentration of solution = (mass of solute/mass of solution)*100 (36/125)*100 =28.8% |
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| 41. |
. A rectangular block measures 8 cm by 5cm by 4cm, and a mass of 1.2kg. (i) What is the weight of the block |
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| 42. |
Write some applications of jouls law of heating? |
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Answer» APPLICATIONS OF JOULES LAW: ☆eletric heating effect ☆fuse wire ☆eletric bulb ☆iron box HOPE IT HELPS :) |
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| 43. |
2. There arebasic laws of reflection. |
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Answer» Answer: The angle between the incident RAY and the normal is EQUAL to the angle between the reflected ray and the normal. All the three rays that is the incident ray, the reflected ray, and the normal, all LIE in the same PLANE. |
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| 44. |
A long current carrying wire carrying a current I is at 45 degree from opposite x-axis whose one end is at origin. Calculate the magnetic field at the point p which is at (0,a). ans it fast plzz..... |
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Answer» NICE questionnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn Explanation: |
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| 45. |
Calculate the pressure of the produced by a force of 450 N acting on an area of 5m sq. |
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Answer» Answer: 90 N/ Explanation: Area=5 m sq. Pressure= = =90 N/ PLS mark this as brainliest Hope this helps!!:D |
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| 46. |
Q8.Heterogeneous mixture in which the solute particles do not dissolveand remain suspended throughout the solvent and the solute particlescan be seen with the naked eye is known as:*O (a) Colloidal solutionO (b) Super saturated solutionO (c) SuspensionsO (d) Sublimation |
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Answer» Answer: Suspension Explanation: A suspension is a heterogeneous MIXTURE in which the solute particles do not dissolve but REMAIN SUSPENDED throughout the BULK of the MEDIUM. Particles of a suspension are visible to the naked eye. |
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| 47. |
The electrostatic form of Repulsionbetweenthe positively charged ionsCarrying equal charges is 3,7x10^-9Nwhen they are separated by a distanceof 5A°.How manyHow many electrons areMissing fromeachion ? |
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| 48. |
a long current carrying wire carrying a current I is at 45 degree from opposite x-axis whose one end is at origin. Calculate the magnetic field at the point p which is at (0,a). |
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| 50. |
Q3-Which of the following does not affect the maximumheight attained by the projectile?....(a) magnitude of initial velocity(b) Accleration of the Projectile(C) Angle of projection(d) Mass of the projectile |
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Answer» Answer: Option (d) is the correct answer Explanation: SINCE H(max) = u² Sin² A / 2g where 'U' is the initial velocity 'A' is the angle and 'G' is the ACCELERATION due to gravity |
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