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. |
Is there numerical based on E=mc^2 in physics class 10 in radioactivity? The |
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Answer» yes it's there . They will usually GIVE the mass lost and ask u how MUCH ENERGY is released in MEV or eV or in JOULE itself .All the best :) |
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| 2. |
A convex mirror has a focal length F .A real object placed at a distance F in front of it from the pole,produce an image at_ |
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| 4. |
What is vitamin d write the effects of its deficiency |
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Answer» D insufficiency leads to secondary hyperparathyroidism that causes INCREASED bone LOSS, osteopenia, osteomalacia, OSTEOPOROSIS, and increased fracture risk. ... A severe VITAMIN D deficiency can cause myopathy, which can cause muscle WEAKNESS and pain. |
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| 5. |
Sky appears reddish in colour does this phenomenon occur on moon. Justify |
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Answer» Nah it does not occurs on moon because for this phenomenon to OCCUR it requires a THICK atmospheric layer to REFRACT light but the atmospheric layer ABSENT on moon!!!hope it helps. ... |
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| 6. |
What is the meaning of the axis of loop with reference to the magnetic field due to current in a loop? |
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Answer» axis of loop is an IMAGINARY LINE that passes through the center of the loop. but it never touches its cercumference. axis of loop is always equal distace from all the POINTS on the cercumference .taking example of ring in a FINGER, the CIRCULAR ring's axis is your finger.Explanation: |
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| 8. |
A point object o is placed in front of the combination made of same material and having radius of curvature R and 2R. Then find number of images. (R.I=1.5) |
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Answer» ──────────────────────────█─────────███████████████████████████████████────███▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒███████████───██▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒███████▓▓██▒▒▒▒██──█▒▒▒▒▒▒▒▒▒▒▒▒▒▒██████████▓▓▓▓▓██▒▒▒▒██─██▒▒▒▒▒▒▒▒▒▒▒▒████▓▓▓▓▓▓▓▓▓▓▓▓██▒▒▒▒▒██─██▒▒▒▒██▒▒▒██▒██▓▓▓▓▓▓▓▓▓▓▓▓▓███▒▒▒▒▒█──██▒▒▒▒███▒███▒▒██▓▓▓▓▓▓▓▓▓▓████▒▒▒▒▒██──██▒▒▒▒▒█████▒▒▒██▓▓██████████▒▒▒▒▒▒▒██──██▒▒▒▒▒▒▒▒▒▒▒▒▒▒██▓███▒▒▒▒▒▒▒▒▒▒▒▒▒▒██──██▒██▒██████▒▒▒▒███▓██▒▒▒▒▒▒▒▒▒▒▒▒▒▒██──██▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒██▓▓██▒▒▒▒▒▒▒▒▒▒▒▒▒██──██▒▒▒▒█▒█████▒▒▒▒▒██▓▓██▒▒▒▒▒▒▒▒▒▒▒▒██──██▒▒▒▒███▒▒██▒▒▒▒▒▒██▓███▒▒▒▒▒▒▒▒▒▒███──██▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒██▓███▒▒▒▒▒▒▒▒▒██───██▒▒▒▒███████▒▒▒▒▒▒▒███▓██▒▒▒▒▒▒▒▒▒██───██▒▒▒▒▒▒▒▒▒██▒▒▒▒▒▒▒▒██▓▓██▒▒▒▒▒▒▒▒██───██▒▒▒▒███████▒▒▒▒▒▒▒▒▒██▓▓██▒▒▒▒▒▒▒██───██▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒███████▓▓███▒▒▒▒▒▒██───██▒▒▒▒███████▒▒▒███▓▓▓▓▓▓▓▓███▒▒▒▒▒██───██▒▒▒▒██▒▒▒▒▒▒▒██▓▓▓▓▓▓▓▓▓▓▓██▒▒▒▒▒██───██▒▒▒▒██████▒▒██▓▓▓▓▓▓▓▓▓▓▓▓▓██▒▒▒▒██───██▒▒▒▒██▒▒▒▒▒███▓▓▓▓▓▓▓▓▓▓▓▓▓▓██▒▒▒██───██▒▒▒▒██████▒██▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓██▒▒▒██───██▒▒▒▒▒▒▒▒▒▒▒▒██▓▓▓▓▓▓▓▓▓▓▓▓▓██▒▒▒▒██────██▒▒▒▒▒▒▒▒▒▒▒██▓▓▓▓▓▓▓▓▓▓▓▓███▒▒▒▒██─────██▒▒▒▒▒▒▒▒▒▒▒██▓▓▓▓▓▓▓▓████▒▒▒▒▒▒██──────█████████████████████████▒▒██████─── ───────--──████████████████████████───── |
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| 9. |
What is vitamin c write its functions |
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Answer» tion:The important functions of vitamin C include the FORMATION of protein used to make skin, tendons, ligaments, and BLOOD vessels for healing wounds and FORMING scar tissue, for repairing and maintaining cartilage, bones, and teeth and aid in the ABSORPTION of iron. |
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| 10. |
A motorcycle traveling at 25 m/s accelerates at a rate of 7.0 m/s2 for 6.0 seconds. What is the final speed of the motorcycle? |
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Answer» 67m/sExplanation:KINDLY refer IMAGE Happy LEARNING !BEST of luck Jahoon ! |
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| 11. |
What is vitamin b complex ? what is the source of it |
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Answer» not ANSWER EXPLANATION:diont as PLEASE |
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| 12. |
Write a note on cooking food |
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Answer» i don't think is the BIGGEST PROBLEM h tumhare suryansh se EXPLANATION:the FIRST THING I am so happy birthday |
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| 14. |
Difference between self inductance nd mutual inductance? Any 4 |
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Answer» In self inductance the change in the strength of current in the coil is opposed by the coil itself by inducing an e.m.f. WHEREAS in mutual inductance out of the two coils one coil opposes change in the strength of the current FLOWING in the other coilwhen this emf is induced in the same circuit in which the current is changing this effect is called Self-induction, ( L ). However, when the emf is induced into an adjacent coil SITUATED WITHIN the same MAGNETIC field, the emf is said to be induced magnetically, inductively or by Mutual induction, symbol ( M ). |
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| 15. |
Write a note on water |
| Answer» WATER is an inorganic, TRANSPARENT, tasteless, odorless, and nearly colorless chemical SUBSTANCE, which is the main constituent of Earth's hydrosphere and the fluids of most living organisms. It is VITAL for all known forms of LIFE, even though it provides no calories or organic nutrients.Explanation:your problem's solution here | |
| 16. |
2. The electric intensity due to a dipole of length 10 cm and having a charge of 500 uc, at a point on the axis at adistance 20 cm from one of the charges in air, is (a) 6.25 x 10'N/C (b) 9.28 x 10' N/C(c) 13.1 x 11' N/C (d) 20.5 x 10'N/C |
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Answer» ctric intensity due to a dipole of length 10 CM and having a charge of 500μC , at a point on the axis at a DISTANCE 20 cm from one of the charges in air is ⎯ Lenght of dipole (a) = 10cm or 0.1mCharge (Q) = 500μCAt point on axis at distance (l) = 20cm or 0.2mr = 0.20 + 0.5 = 0.25m Electric intensity (E) ✪And , On solving this we GET ⎯ Electric intensity due to dipole is . |
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| 17. |
Write a note on roughage |
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Answer» Health experts have long recommended consuming roughage, COMMONLY CALLED fiber, to improve digestive health . Roughage is the portion of PLANT foods, such as whole grains, nuts, seeds, LEGUMES, fruits, and VEGETABLES, that your body can't digest.hope it works for you |
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| 18. |
Milk is a complete food explain it |
| Answer» MILK is regarded as a complete food because of its rich content of PROTEIN, fat, carbohydrates, all known VITAMINS and various minerals essential for sustaining life and MAINTAINING good health.Explanation:your problem's solution here | |
| 19. |
Four equal charges each of + 2uc are placed at the corners of a square of side 50 cm.Find the force on any one of the charges. |
| Answer» FRICTION is the CORRECT ANSWEREXPLANATION:PLEASE mark as BRAINLIST | |
| 20. |
CBS board examination of physical science2020 who's answered first mark as a brainiest answer |
| Answer» TION:You have to only GIVE some EASY QUESTIONS | |
| 21. |
What is the importance of vitamins |
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Answer» Vitamins and minerals are considered essential nutrients—because acting in CONCERT, they perform hundreds of ROLES in the body. They help SHORE up bones, heal wounds, and bolster your immune system. They also convert food into energy, and repair cellular damage. |
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| 22. |
A particle is travelling in a straight line. Velocity-time graph of rectilinear motion of the particle is given in the adjoining fig. 1.28. Findthe distance travelled by the particle from 0 to 4 second. Is the motion ofthe particle uniform ? |
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| 23. |
What do you mean by fats? what are its types |
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Answer» e nutrients that give you energy. ... Fats help in the absorption of FAT-soluble vitamins A, D, E, and K. Fats are EITHER saturated or unsaturated, and most foods with fat have both TYPES. But usually there is more of one kind of fat than the other. |
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| 24. |
Calculate the frequency of an oscillator having periodic-time 0.01 s. |
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Answer» 100HzExplanation:f=1/tf=1/0.01f=100Hope it HELPS you! |
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| 25. |
Write an activity to demonstrate the heating affect current in short |
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| 26. |
What are carbohydrates.? what are the harmful effects of its deficiency and excess |
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Answer» comes with symptoms, including headaches, a dry mouth and a fruity SMELL to the breath. KNOWING these functions of carbohydrates shows us that a deficiency of carbohydrates can lead to ketosis, excessive breakdown of protein, fatigue and a decreased energy LEVEL as well as reduced fiber intake. |
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| 27. |
What do you know about mouth to mouth respiration |
| Answer» MOUTH-to-mouth resuscitation, a form of artificial ventilation, is the act of assisting or stimulating RESPIRATION in which a rescuer PRESSES their mouth against that of the victim and BLOWS air into the person's lungs. Please Please Please Please Please Please Please mark me as brainlist BRO | |
| 28. |
State the laws of kinetic friction. |
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Answer» Wrote down in the explanation.Explanation:1. When the SURFACES move, the friction remains constant. 2. Its value F depends on: 1) The kind of surfaces, and 2) the magnitude of the normal force, N. 3. F = mk N, where mk is the “COEFFICIENT of kinetic friction.” mk is always smaller than ms for the same two surfaces.Also you should know: The fact that the coefficient of static friction is generally larger than the coefficient of kinetic friction has PRACTICAL consequences.For example, to stop a CAR most efficiently, the magnitude of the friction force between rubber and road must be kept just below the maximum value allowed by the law of static friction. When that value is exceeded, the tires start to skid, and the friction falls to the smaller value implied by the law of kinetic friction. Similar considerations apply when turning corners or trying to accelerate RAPIDLY. |
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| 29. |
A student is standing at a distance of 50 metre from the bus. As soon as the bus begins its motion with an accelerationof Ims-2, the student starts running towards the bus with auniform velocity u. Assuming the motion to be along astraight road, the minimum value of u, so that the student isable to catch the bus is |
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Answer» ehere's your answerhope it HELPS |
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| 30. |
Why does a glass tumbler crack when hot water is poured in it? Correct answer will be marked as brainliest...... |
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Answer» tion:Because glass tumber has LOW MELTING POINT so when hot water is added then it MAKES it to its melting point and hence breakHOPE U LIKE THANKS FOR YOUR SUPPORT |
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| 31. |
Which unit is used to measure noise? |
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Answer» decibelshope I HELPED you |
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| 32. |
EXERC Ir R is the radius of the earth and theacceleration due to gravity on the earth'ssurface, the mean density of the earth is(1) 4G/3gR(2) 36R/4GA384 RG(4) Rg/126 |
| Answer» INCREASE in POTENTIAL energyΔU=U 2 −U 1 =[− (R+ 5R )GMM ]−[− RGMm ]= RGMm − 6R5GMm = 6RGMm = 6RgR 2 m = 6mgR =mg. 65h = 65 mgh | |
| 33. |
State and explain expression for young s modulus. |
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Answer» Young's MODULUS is also known as modulus of elasticity and is defined as: The mechanical property of a MATERIAL to withstand the compression or the elongation with respect to its length. ... Young's modulus DESCRIBES the RELATIONSHIP between stress and strain (proportional deformation in an OBJECT. |
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| 34. |
A coin is placed at a depth of 15 CM in a beaker containing water .The refractive index of water is 4/3 .Calculate height through which the image of the coin is raised. The answer is (3.75) |
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Answer» as U KNOW the FORMULA HOPE u UNDERSTAND |
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| 35. |
Plz answer fast & only if u know....... |
| Answer» TION:Na2CO3+H2SO4====>NASO4+ H2O +CO2Hope it HELPS you mate | |
| 36. |
A train 150 m long is moving with a speed of 90 km/h. In what time shall it cross 850 m long bridge ? |
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Answer» 150 m LONG is MOVING with a speed of 90 km/h. In what time shall it cross 850 m long BRIDGE ? Lenght of TRAIN = 150mLenght of bridge = 850mSpeed of train = 90 km/h in m/s Time at which it cross bridge (t)✪ In train CROSSES the bridge. |
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| 37. |
Shoud i prefer physics wallah for boards class 12? |
| Answer» PHYSICS WALLAH is BEST he is EXCELLENT | |
| 38. |
What is cyclotron.? |
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Answer» on can be defined as a type of particle accelerator in which charged particles accelerate outwards from the centre along a SPIRAL path. These particles are held to a spiral trajectory by a static magnetic field and ACCELERATED by a rapidly varying electric field |
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| 39. |
If tantheta=√3 and codec theta =-2√3 then general solution is theta |
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Answer» heyExplanation:when THETA is 60° TAN theta=√3see the ATTACHMENT for COSEC theta |
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| 40. |
Which device is used to convert mechanical energy into electrical energy |
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Answer» or device is USED to CONVERT mechanical ENERGY into ELECTRICAL energy |
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| 41. |
What do you mean by the word अकस्मात ???? |
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Answer» lskeliye.......................EXPLANATION:MEANING of this SANSKRIT WORD.. |
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| 42. |
Rotational K.E of a body is 10 J. If the angular momentum vector coincides with the axis ofrotation and its M.I about this axis is 5then its angular momentum is |
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Answer» Rotational K.E=1/2Iw² (w=angular VELOCITY) 10=1/2 x 5 x w² 20=5w² 4=w² w=2Thereforce, Angular momentum L=Iw =5 x 2 = 10 KG m/splease mark me brainliest |
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| 43. |
Scattering of light experiment |
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Answer» Experiment with Light ScatteringFill the GLASS with clear WATER and place a white sheet of paper BEHIND the glass. ... Depending on how many small air bubbles (or other particles like DUST) you have in the water you MIGHT see a dim red line where the laser beam goes through the water. |
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| 44. |
What is the full form of cfl |
| Answer» HEY!COMPACT FLOUROSCENT LightHope it will be HELPFUL ✌️ | |
| 45. |
State two factor affecting the turning effect of a force |
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Answer» The FACTORS on which the TURNING effect of force or TORQUE acts are: - The magnitude of the applied force. - The DISTANCE of the LINE of action of force from the point of rotation of that body. |
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| 46. |
Nuclear power plants use nuclear fission reaction to produce electricity.What is the advantage of producing electricity by fusion reaction |
| Answer» TION:LESS POLLUTION is CAUSED... | |
| 47. |
If the speed of a particle is v= 10 t2 m/s. Find out distancecovered from t= 2 sec tot= 5 sec. |
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Answer» S = 10m/st = 2sd = ?S = d/t10 = d/2d = 10×2d = 20M |
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| 48. |
What do you mean by the word दुर्घटनाग्रस्त ???? |
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Answer» s दुर्घटना।।।। |
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| 49. |
Linear strain and Poisson's ratio for a material are 0.02 and 04 respecte Its lateral strain is(A) 0.05(B) 0.08(C) 0.008(D) S yged None of these |
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Answer» strain and Poisson's RATIO for a material are 0.02 and 0.4 respectetively its LATERAL strain is Linear strain = 0.02 Poission's ratio = 0.4 Lateral strain We KNOW that ,✪ OPTION (C) Lateral strain is |
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| 50. |
Draw graph between frequency of incident light and stopping potential. |
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Answer» Here's you ANSWER |
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