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. |
What is the variationally minimum electronic configuration of cu |
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Answer» 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^5 4p^4 |
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| 2. |
Explain specific heat? |
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Answer» The specific HEAT is the amount ofheat per unit mass required to raise the TEMPERATURE by ONE degree Celsius. The RELATIONSHIP between heat and temperature CHANGE is usually expressed in the form shown below where c is the specific heat. ... As a result, water plays a very important role in temperature regulation. |
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| 3. |
What is the maximum wavelength in brackett series of h atom |
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Answer» Maximum WAVELENGTH ie between any tow VALUES of N2 i.e; above 5 and between any to values e.g..5 and 6 .6 and 7 not above the difference of 1. |
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| 4. |
Can you measure the average speed and average velocity? |
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Answer» HOLA MATE ♥♥♥ _______________ Answer ___________ Although SPEED and velocity are often words used interchangeably, in PHYSICS, they are distinct concepts.Speed is calculated by dividing the DISTANCE TRAVELED by time. It does not have direction. Average velocity is thedisplacement (change in position) divided by time.____________________________________ |
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| 5. |
State biot savart law. Using this law derive an expressions for magnetic field at a point situated at a distance of x from the center of a circular coil of n turns and radius r carrying a current i |
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Answer» HOLA MATE HERE IS UR ANSWER ♥♥♥♥ tooooooo HARD |
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| 6. |
two litre of water 20 degree celcius mixed with one litre of water at 80 degree celcius.the temperature of a mixture will be |
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| 8. |
A bullet of mass 20 gram moving with a velocity of 500 m per second strikes a tree and goes out from the other side with the velocity of 400 m per second .calculate the work done by the bullet in the june in passing through the tree |
| Answer» WORK done by the bullet EQUAL to CHANGE into KE | |
| 9. |
What will the colour of solution ofAl2(SO4)3 in water |
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Answer» When CRYSTAL of solution of Al2(SO4)3 are DISSOLVED on water they BECOME colourless . |
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| 11. |
one day, a group of neighborhood dogs started barking on their own .The residents living in that area are left wondering ,what provoked the dogs to bark .What could be the reason? |
| Answer» SORRY I don't KNOW ANSWER so sorry | |
| 12. |
Why is magnetic strength is less in the middle |
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Answer» The bar MAGNET has two poles positive and negative/ in middle they CANCEL each other out , more and more PERFECTLY as their charges meet, the boundary is infinite at the meeting as it DECREASES infinitesimally and perhaps eternally |
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| 13. |
Sixty four equal chargedeach drop is 10 volt, then (a) 10v (b) 40v drops are combined to form a big the potential of the big drop will be (c) 160v (d) 640v drop. I ial on |
| Answer» ANSWER (C) 160V is CORRECT. | |
| 14. |
Why doesn't the moon collides with earth if it is attracted by earths gravity? |
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Answer» HEY MOON also exerts GRAVITATIONAL FORCE |
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| 15. |
Different between corrosion and rancidity. |
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Answer» ❤️HEY MATE ❤️ |
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| 16. |
Demerist of mendeleev periodic table with reference to isotopes |
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Answer» Demerits of Mendeleev Periodic Table. He was unable to locate hydrogen in the periodic table. Increase in ATOMIC MASS was not regular while moving from oneelement to another. Hence, the number of elements YET to be DISCOVERED was not predictable. |
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| 17. |
Show that newtons 3 rd law is contained in 2nd law of motion |
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Answer» It will be proved as when FORCE is SUFFICIENT OBJECT can be able to move and when the force is insufficient then the object can't be able to move.This MEANS that equal force should be applied on an object so that it can move. |
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| 18. |
The image formed by retina of human eye isa. virtual and erect b. real and inverted c. virtual and invertedd. real and erect PLZZZ ANSWER ME QUICKLY..... |
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Answer» HEY MATE here is your answer ::: option (b) REAL and inverted !! Hope it HELPS you Mate ☺️ ♥❤️ Shreya VERMA |
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| 20. |
What do you mean by the magnitude of the physical quantity |
| Answer» PHYSICAL quantity is a physical property of a phenomenon, body, or SUBSTANCE, that can be quantified by measurement. A physical quantity can be EXPRESSED as the combination of amagnitude expressed by a NUMBER – usually a real number – and a unit: where is the magnitude and is the unit. | |
| 21. |
A body of mass 20kg with a velocity of 30m/s, calculate the kinetic energy of the body. |
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Answer» KE = 1/2* m * v^2 KE = 0.5 * 20 * (30)^2 KE = 10* 900 KE = 9000 Joules |
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| 22. |
What do you mean by the magnitude of a physical quantity solution |
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Answer» Let's come to an instance. |
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| 23. |
A ball of 5 kg is thrown upwards with a speed of 10m/s‹a› find the potential energy when it reach the highest point ‹B› calculate the maximum hight attained by it |
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Answer» (B) Using the equation of MOTION: |
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| 25. |
Descibe a roleof gravition in supporting life on earth? |
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Answer» Gravity is the force ACTING TOWARDS the CENTRE of the earth, It helps living organisms by giving them boundaries, And by letting the things in land stay in land and things in air come towards land! |
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| 26. |
Relation between velocity frequency and wavelength of sound waves with equation |
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Answer» The number of vibrations MADE by the particle of the medium in one SECOND,is called the FREQUENCY(f) of the WAVE. |
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| 27. |
Find the ratio of force required to break a wire of radius r to that of a wire of radius 2r of the same material |
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| 28. |
State principle of electric motor |
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Answer» |
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| 29. |
State and prove fleming right hand rule |
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Answer» Stretch the thumb,fore finger,middle finger of RIGHT hand THMB give the DIRECTION of MAGNETIC field, fore finger give the direction ........ Sry it is less i forgot that |
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| 30. |
When's the cross product becomes zero |
| Answer» EITHER one of your vector is zero vector or the ANGLE between the VECTORS is 0 DEGREE | |
| 31. |
Explain full diagram of bands formation in solids |
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Answer» Hey here is your answer |
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| 32. |
A stone is thrown vertically upwards with an initial velocity of 14 m/s. Neglecting air resistance find (a) the maximum height reached; and (b) the time it has taken to reach the ground. |
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Answer» TAKING u=14 V=0 a=g= 10 (9.8) s=x V SQUARE - u square = 2gs 14×14 -0= 2×10×S 196= 20s S= 196/20 S= 9.8 METRE |
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| 33. |
If the velocity is 2.2m/s and mass is 6kg find momentum |
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Answer» MOMENTUM (P) = MASS*Velocity = 6*2.2 = 13.2 Hope it HELPS...:)) |
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| 34. |
How learn maths and physics easily? |
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Answer» physics and maths both are scoring subjects. in both of them if u know the CONCEPT clearly u can answer any question. to learn the concept read THEOREMS formulaes their derivations thoroughly. in physics lesson read every sentence the chapter because every sentence clear UR mind. in maths u should read everything carefully and specially in geometry read every point in lesson thoroughly. i bet if u do this method with good focus and spirit u can easily learn it. i am 9 studying and i do this method it HELPS me a lot. these both subjects a are my FAVOURITE . if u check my profile i have answered math and physics questions. |
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| 35. |
What are the uses of minerals in our current days |
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Answer» Iron (as steel) in the framework of large building, |
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| 36. |
I don't understand the 4th question.please explain in detail |
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Answer» Hey MATE here is your ANSWER ::: |
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| 37. |
What is principle of quantastation of charge |
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Answer» Quantisation of CHARGE MEANS it is an INTEGRAL MULTIPLE of SMALLEST unit of charge.q=+ or_ ne |
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| 39. |
The power of the lens is-4.0D. What is the nature of the lens? |
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Answer» POWER OF THE LENS, P=1/F SO, -4 D=1/F F=-1/4 SINCE FOCAL LENGTH IS NEGATIVE SO THE TYPE OF LENS IS CONCAVE... HOPE IT HELPS PLZ MARK AS BRAINALIST.... |
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| 40. |
Write all unit of conductance |
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Answer» conductance is DENTED by g in FORMULA it have unit opposite of resistance LIKE mho ohm-1 and SIEMENS |
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| 41. |
Give three examples of the substance which sublime |
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Answer» AMMONIUM chloride, CARBON dioxide and NAPTHALENE BALLS |
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| 42. |
in an electric circuit 3 incandsent bulb 40w 60w and 100w are connected in parallel which wiill be bright in sequence |
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Answer» 100W then 60W then 40W will be BRIGHTNESS LEVEL |
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| 43. |
A ball is throw with intial speed of 4m/s find the maximum height reched? |
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Answer» H=u^2/2g=16/2*10=16/20=4/5=0.8... |
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| 44. |
Which facters influence the change in state of matter |
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Answer» PHYSICAL changes are caused by forces like MOTION,PRESSURE and temperature. HOPE it will help you. Mark it brainliest. |
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| 45. |
in the figure shows that three cylindrical copper conductor along with their face area and length com pare the resistance and the resistivity on the three conductor. justify your answer |
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Answer» It is not UNDERSTOOD NEATLY |
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| 46. |
Please solve this soon help me please |
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Answer» Only CASE B is POSSIBLE as MERCURY is way too denser than water HENCE it can hold it up in the rod |
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| 47. |
State law of conservation of energy with FBD |
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Answer» Law of Conservation of Energy and Mass. The law of conservation of energy, a fundamental concept of PHYSICS, STATES that the total amount of energy remains constant in an isolated system. It implies that energycan NEITHER be CREATED nor destroyed, but can be change from ONE form to another. |
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| 48. |
Define solar and vector |
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Answer» The BETA angle determines the percentage of time that a satellite in LOW Earth orbit (LEO) SPENDS in direct sunlight, absorbing solar energy. The term is DEFINED as the angle between the orbital PLANE of the satellite and thevector to the Sun (i.e., the direction from which the Sun is shining). |
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| 49. |
Why we are waisting our time by solving numerical instead of this why we should not try to utilise this time by creating something new |
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Answer» Yes, you are RIGHT. but i THINK this is not also the waste of TIME. |
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| 50. |
define speed.what is its si unit?calculate the speed of a train travelling a distance of 400 min in 5 hours.also express it in m/sec. |
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Answer» speed is distance traveled PER unit time. its S.I. unit is m/s. Remaining question is wrong. you have written 400 min in 5 hours the unit after 400 should be METRE or kilometer . pls TELL |
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