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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. |
How galvanometer convert into voltmeter |
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Answer» ANSWER:MARK AS BRAINLIEST AND FOLLOW ME Explanation: A galvanometer can be converted into voltmeter by connecting a HIGH resistance called multiplier in series to the galvanometer. This EQUATION GIVES the value of resistance R, which connected in series to the galvanometer, is converted into a voltmeter of range 0 – V volts. |
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| 2. |
How does a light travels from air to glass |
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Answer» light ACTUALLY takes refraction when it travels from air to glass.... plz....follow me |
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| 3. |
What do you mean by spectrum |
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Answer» Answer: the SET of seven COLOURS into which WHITE LIGHT can be separated |
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| 4. |
Definition of fluid friction |
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Answer» takeyour ANS from ATTATCHMENT |
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| 6. |
A mixture consists of two radioactive materials A1and A2 with half lives of 20 s and 10 s respectivelyInitially the mixture has 40 g of A1 and 160 gA2 The amount of the two in the mixture willbecome equal after |
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Answer» Hence after 40 seconds both the components A1 and A2 will COME at 10g amount plz mark it as brainliest b..bye #ANSWERWITHQUALITY #BAL |
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| 7. |
How string theory support multiverse? |
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| 8. |
Defference between distance and displacement |
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Answer» Distance and displacement are two quantities that SEEM to mean the same but are distinctly different with different MEANINGS and definition. Distance is the measure of “how much ground an object has covered” during its motion while displacement refers to the measure of how far out of place is an object. |
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| 9. |
Under what condition(s) is the magnitude of average velocity of an object equal to its average speed. |
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Answer» Answer: When the MAGNITUDE of the DISPLACEMENT and the DISTANCE in the same DIRECTION are equal. |
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| 10. |
Obsessive Compulsive Disorder is a/anGary Argumentative disorder(b) Anxiety disorder(e) Receiving and responding disordera) All of theseDRO |
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Answer» Answer: ANXIETY disorder its SYMPTOMS are diagnosis |
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| 11. |
Name the lens for which the image always lie between the object and the lens. |
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Answer» CONCAVE lens is the answer Pls mark it as BRAINLIEST. |
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| 12. |
Problem of quantum mechanics |
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Answer» hope it HELPS you SEE the ATTACHMENT for further information |
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| 13. |
In which cases do we need to decrease pressure in our convenience? Science- pressure (not blood pressure) |
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Answer» in hypertension case we DECREASE our pressure pressure = FORCE / area so we should reduce pressure by reducing force |
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| 14. |
Why linear magnification of a plane mirror is +1 |
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Answer» Answer: the value 1 for magnification shows that the image is EXACTLY of the same size as the object.so, the magnification of +1 produced by a plane MIRROR means that the image FORMED in a plane mirror is virtual,erect ,and of the same size as the object. HOPE SO THIS WILL HELP U |
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| 15. |
The bob of a pendulum 90 cm long swings through a 15 cm arc. the angle in radian is |
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Answer» Your Answer is 9.6 DEGREES Explanation: |
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| 16. |
(a), (b), (c) and (d) as given below :a) Both A and R are true and R is correct explanation of theassertionb) Both A and R are true but R is not the correct explanationof the A.c) A is true but R is false.d) A is false but R is true.Assertion : The value of acceleration due to gravity (g) isindependent of the mass of the body.GMReason: The value of g is 2 , where M is mass ofearth and R is radius of earth. |
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Answer» the answer is C. |
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| 17. |
Two equal unlike charges placed 3 cm apart in air attract each other with a force of 40 N. The magnitude of each charge is |
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Answer» Answer: as we know.... F =k Q q/ r^2 40= k q^2/(0.03)^2 40= 9×10^9 q^2/(0.03)^2 after solving .... we get q=2×10^-5 hope it works PLZ mark it as BRAINLIEST answer |
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| 18. |
The angle subtended by a semi circle at the centre of the circle is? |
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Answer» Answer: the ANGLE SUBTENDED by a SEMICIRCLE at the centre of a CIRCLE is 90 DEGREE |
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| 19. |
LULITIS STUHe onto a star-shaped card which forms a shadow on the screen behind the card. Whwill happen to the shadow if the torch is moved away from the card?a. It decreases in size.Shadowb. It increases in size.c. It first becomes smaller and then again becomes largerCardd. It changes its shape |
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| 20. |
What is spherical mirror? |
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Answer» Explanation: A SPHERICAL MIRROR is a mirror which has the SHAPE of a piece cut out of a spherical SURFACE |
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| 21. |
At a constant pressure, a given amount of ideal diatomic gas expands under normal conditions the heat suppliedto the gas is 350 J. Then(1) The work done by the gas is 250 J(2) The decrease in the internal energy of the gas is 100 J(3) The increase in the internal energy of the gas is 250 J(4) The work done by the gas is 175 J |
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Answer» Answer: .18 of 51 Read the paragraph given below and fill in the blanks by choosing the most appropriate option from the given ones In ONE of his STORIES, Tolstoy narrates how neighbours (a) behave. A child was wearing a NEW shirt and the neighbour's child (B) ............ mud on it and (c) Spoiled it. Womenfolk started the quarrel and the men folk entered into the fray, ending in a few bruises. By then the children (d their entire quarrel and were |
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| 22. |
The angular displacement is assigned negitive sign when the rotation is? |
Answer» The angular DISPLACEMENT is assigned negative sign when the ROTATION is 1+ then. |
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| 23. |
2. List the condition for shadow formation |
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Answer» Answer: An area of DARKNESS formed by an OPAQUE object OBSTRUCTING light is CALLED a shadow. The following three things are required for a shadow to FORM: a source of light,An opaque object, a screen. |
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| 24. |
What would happen if a black hole swallows a black hole?? |
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Answer» Answer: Heya Black holes are the ultra-dense, ultra-compact, ultra-massive pits of overwhelming gravity that have a pull so strong that, for the most part, nothing can escape their grasp—not even LIGHT. When something comes within range of a black HOLE, whether it be a star, a cloud of gas or a truly unfortunate intergalactic TRAVELER, that thing is stretched thin and RIPPED apart, atom by atom. HOPE it will be helpful ✌️ |
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| 25. |
list out the material required for the experiment to determine the focal length of a convex lens depending upon the surrounding medium and write the experimental procedure |
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| 26. |
a body is dropped from a certain height,accelerates uniformly at the rate of 9.3m/s^2 for 3 seconds, calculate the velocity of the body after 3 seconds |
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Answer» here is your ANS........ |
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| 27. |
One revolution is equal to |
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Answer» The CIRCUMFERENCE of the CIRCLE (TYRE ) |
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| 28. |
According to sommer field how many orbitals are there in the orbital n= 3 what are they |
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Answer» ANSWER : |
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| 29. |
A concave mirror of short focal length of 10cm is used as shaving mirror by a person. When he is using it for the first time he observes an inverted image of his face what might be reason for this? How can he see magnified and straight image of his face? |
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| 30. |
49. Two 50uF capacitors are connected in parallelThe equivalent capacitance of the combination is(A) 250F(B) 50°F(C) 100uF(D) 2000F |
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Answer»
Two 50μF capacitors are connected in PARALLEL The equivalent CAPACITANCE of the COMBINATION is
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OPTION (c) 100μF The equivalent capacitance of the combination is is |
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| 31. |
20/ How many tiles whose length and breadth are 12cm and 5cm respectively willbe needed to cover a rectangular region whose length and breadth are 70cm and36cm respectively21% With PQ of length 6.2cm as diameter. Draw a circle. |
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Answer» HOPE UH will UNDERSTAND |
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| 32. |
2. A ball of mass 1 kg moving with a speedof 10 ms rebounds after a perfect elasticcollision with the floor. Calculate thechange in linear momentum of the ball. |
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Answer» hope it helps pls MARK it as a BRAINLIEST... |
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| 33. |
Why Apollo 17 18 19 was stopped by NASA? |
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Answer» Answer: Apollo 18 through 20 - The CancelledMissions. There were originally 3 moreApollo MISSIONS scheduled to fly to the MOON in the initial Apollo plan, all werecancelled due to budgetary constraints |
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| 34. |
What is Quantum physics |
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Answer» Answer: Quantum physics is the study of MATTER and energy at its most fundamental level. A central tenet of quantum physics is that energy COMES in indivisible PACKETS called quanta. Quanta BEHAVE very differently to macroscopic matter: particles can behave like waves, and waves behave as though they are particles. |
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| 35. |
Which was apollo 15 subsatellite and what was its work |
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Answer» Answer: The APOLLO 15 Particles and Fields Subsatellite (PFS-1) was a small SATELLITE released into LUNAR orbit from the Apollo 15 Service Module. Its main objectives were to study the plasma, particle, and MAGNETIC field ENVIRONMENT of the Moon and map the lunar gravity field. Explanation: |
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| 38. |
Calculater the acceleration of an apple of mass 200gm,when it falls towards the earth?Also find the acceleration of earth towards the apple. Show it with mass of earth is 6×10²⁴ kg and radius of the earth is 6.4×10⁶ m |
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Answer» mark me as the BRAINLIEST |
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| 39. |
10. A sound wave of frequency 400Hz istraveling in a gas at speed of 320m/sec)what is the phase difference between twopoints 0.2m apart in the direction of travel.a) -radb) radc) 2 radd) 47 rad1 The frequency of the f... |
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Answer» Answer: 47 rad Explanation: |
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| 40. |
By the help of exotic Mater can we compress the universe? |
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Answer» No Explanation: matter that somehow deviates from normal matter and has “exotic” PROPERTIES |
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| 41. |
.A motorcar is moving with a uniform velocity of 36km/h .If brakes are applied before stoppingmotor car covers 10 meters ,then acceleration of motor car is what? |
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Answer» V=0m/s and u=10m/s d=10meter a=? v sduare=u square-2as we know 0*0=10*10-2*a*10 0=100-20a a=100/20 a=5m/s |
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| 42. |
Your23. Describe what is meant by significant figures and order of magnitude. |
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Answer» Answer: Here is the answer. Significant figures are the actual values that we USE to answer. Also, we count the digits of the NUMBER starting from first non-zero digit , in the case of significant figures. Order of magnitude, on the other hand, is an exponential CHANGE in the power of 10 in the VALUE of a quantity. Explanation: |
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| 43. |
What was the work of PSF-1 |
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Answer» Answer: PLEASE MARK ME AS BRAINLIEST Explanation: Pressure SAND Filter PSF. EnergyTree Inc manufactures Pressure Sand Filter systems as PART of water Pre-treatment process. PSF are widely used to remove suspended solids and remove the turbidity in water. 1. |
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| 44. |
Why is diamond transparent,and graphite black even when they are made of the same atoms? |
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Answer» ANSWER: DIAMOND is PURIFIED so it is TRANSPARENT and garphite is not purified Explanation: PLEASE mark me as brilliant |
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| 45. |
heat energy is being produced in the resistance in a circuit at the rate of hundred volt the current of 3 ampere is flowing in the circuit what must be the value of the resistance |
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Answer» Explanation: V=IR SO, here V=100V I=3A Then resistance will be R=(100/3) OHMS =33.33 ohms(approx) |
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| 46. |
Relative density of silver is 10.8, the density of water is 1000 kg/cubic metre. What is the density of silver in SI unit? |
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Answer» RELATIVE density = Density relative to water Density of SILVER = relative density * density of water = 10.8 * 1 gm/cm³ = 10.8 gm/cm³ in SI units, 10.8 * 1000 kg/m³ = 10, 800 kg / m^3 |
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| 47. |
Questions in physics1.Explain why one is able to distinguish between a note produced by a child and that produce by an old man. 2.Explain how noise can be minimized in a big room that is considered to a room. 3.what is meant by resonance 4.Explain why a vibrating metal sounds louder when it is pressed against a table top than when freely in air 5. State 3 characteristics of music note and a factor which each depends 6.Discuss briefly any four application of sound waves |
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Answer» Answer:1: because of there pitch child pitch is LOW then as COMPARED to old man Please MARK as BRILLIANT please Explanation: |
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| 48. |
Can we compress and expand the universe? |
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Answer» Answer: No. There is not enough material in the observable UNIVERSE to build a STORAGE DEVICE that could store a COMPRESSED description of the observable universe, much less an uncompressed description plus a compression algorithm. This is a CONSEQUENCE of the universe having a finite description length. Please mark as brainnist |
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| 49. |
27 small drops of mercury having the same radius collage to form one big drop .Find the ratio of the capacitance of big drop to small drop. |
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