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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. |
Balcony for a wide variety 9th bedroom with a spacious home and a living space |
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| 2. |
How long does it take to accelerate an object from rest to 15 m/s if the acceleration is 3 m/s^2? |
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Answer» u = 0 m/sv = 15 m/sa = 3 m/s²To FIND :-The total time takenSolution :-From the first EQUATION of motion we have,v = u + at=> 15 = 0 + 3 × t=> 15 = 3t=> t = 5 Therefore, total time taken was 5 secondsShort-hands :-u = Initial velocityv = Final velocitya = accelerationt = time |
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| 3. |
An object of mass 42 kg on earth what will its mass and weight on the moon |
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Answer» the mass of an object does not CHANGES from place to place so masses SEEM on the moon that is 42 kgbut whereas weight of an object changes from place to place due to acceleration due to GRAVITY .earth is 9.8 metre per SECOND 2weight on earth is W=mg =42X9.8=411.6Nacceleration due to gravity on moon is ge/6Wmoon=42X9.8/6= 68.6N |
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| 4. |
More specialized measuring vessels is used to measure volume of chemicals in a labradors |
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Answer» hii..Explanation:Working safely with hazardous chemicals requires proper use of laboratory equipment. Maintenance and regular inspection of laboratory equipment are essential parts of this activity. Many of the accidents that OCCUR in the laboratory can be attributed to improper use or maintenance of laboratory equipment. This chapter discusses prudent practices for handling equipment used frequently in LABORATORIES.The most common equipment-related hazards in laboratories come from devices powered by electricity devices for work with compressed gases, and devices for high or low pressures and temperatures. Other physical hazards include electromagnetic radiation from lasers and radio-frequency generating devices. Seemingly ordinary hazards such as floods from water-cooled equipment, accidents with rotating equipment and machines or tools for cutting and drilling, noise extremes, slips, trips, falls, lifting, and poor ergonomics account for the greatest frequency of laboratory accidents and injuries. Understandably, injuries to the HANDS are very common in the laboratory. Care should be taken to use appropriate gloves when handling laboratory equipment to protect against electrical, thermal, and chemical burns, cuts, and punctures...hope this helps U ☺️❤️❤️ |
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| 5. |
Is Time Possible in real life ? |
| Answer» PLEASE mark me as brainlestExplanation:Yes, time travel is indeed a real THING. But it's not quite what you've probably seen in the movies. Under certain conditions, it is possible to experience time PASSING at a different rate than 1 second per second. And there are important reasons why we need to UNDERSTAND this real-world form of time travel. | |
| 6. |
1. Give examples where small discrepancies have led to new theories in physics. 2. Explain the strategy of approximation.CLASS 11 PHYSICS |
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Answer» The concept of flat earth was replaced by the concept of spherical earth, from the observations of distant ships in sea. GEOCENTRIC theory imaging earth to be at the centre of the universe was replaced by Heliocentric theory imaging sun to be stationary and all planets revolving around it. 2. Approximation usually occurs when an exact form or an exact numerical number is unknown or difficult to obtain. ... However some KNOWN form may exist and may be able to represent the real form so that no significant deviation can be found.plzzz mark me as the BRAINLIEST |
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| 7. |
how does change in momentum occur when velocity of object is nearly equal to the speed of light in vacuum (v to c) Plz solve this |
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| 8. |
If the magnitude of distance and force are increased by 4 times then the magnitude of energy is increased by how many times?? |
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Answer» units of length and force are increased by four TIMES the UNIT of ENERGY will be increased by. Therefore, if the units of length and force are increased by four times, the unit of energy will change by 16 times.MARK ME AS BRAINLIST ANSWER !! |
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| 9. |
what can you say about the motion of a body if it's velocity time graph is a straight line parallel to time axis |
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| 10. |
What is an electromagnet ? |
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Answer» t metal core MADE into a magnet by the passage of ELECTRIC CURRENT through a coil surrounding it.hope it helpful to you..!!❤️✌️❤️ |
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| 11. |
Des tirguish between uniform and nonunifrm motion |
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Answer» Uniform motion :The speed in constant thereThe moving BODY is in st. line Non - uniform motion -The speed KEEPS CHANGING direction can be change as PER requirement. |
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| 12. |
Gravitational potential energy |
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Answer» tional energy or gravitational potential energy is the potential energy a massive object has in RELATION to ANOTHER massive object DUE to GRAVITY. It is the potential energy associated with the gravitational field, which is released when the objects fall towards each other. |
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| 13. |
What will happen if there will be NO ANIMALS in this world? |
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Answer» wer:If there are no animals in forests, then there will be a LACK of Carbon Dioxide which is required by Plants for Photosynthesis. If plants wont be able to do photosynthesis to get food,then they will die, resulting in lack of oxygen in that PLACE, and SLOWLY the HUMANS and Animals WOULD finish due to the lack of oxygen.Explanation:Hope it helps u dear... |
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| 14. |
Two cylindrical vessels fitted with pistons A and B of area of cross section 8 cm^2 and 320 cm^2 respectively, are joined at their bottom by a tube and they are completely filled with water. When a mass of 4kg is placed on piston A, find pressure on piston A and piston B and also the thrust on piston B. Help Ploxx |
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Answer» be the effort applied on the smaller piston A and L be the load required on the larger piston B. Area of cross section of PISTION A=8cm 2 Area of cross section of pistion A=320cm 2 (i) Pressure acting on piston A in the downward DIRECTION =THRUST/Area=E/8=4/8=0.5∴Pressure acting on water =E/8=0.5 (according to Pascal's Law)(II) ∴ Pressure acting on piston B=E/8=0.5 (according to Pascal's Law)(iii) Thrust acting on piston B in the upward direction =Pressure ×Area ofBpls mark me as the BRAINLEST |
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| 15. |
Wheeler? Explain. iii) On what factors does the frequencyof a conical pendulum depends? Is itindependent of some factors?1. |
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Answer» hello BOYS iam lipi aggrawal i have my MMS video uploaded on x videos to watch my mms video DOWNLOAD via browser then search "lipi girl home MADE mms" please like on xvideo3 . com.Explanation:please download via browser only 334kb |
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| 16. |
136. A physical quantity of the dimensions of length that can be formed out of c, G and e' 14n, is:(c is velocity of light, G is universal constant ofgravitation, is charge) |
| Answer» TION:A physical quantity of the dimension of LENGTH that can be formed out of c, G and 4πϵ0e2 is [c is velocity of light, G is universal constant of gravitation and E is CHARGE]Dec 26, 2019 | |
| 17. |
Which of the following set of letters will suffer lateral inversion? i). K,M,P,T,O. ii) K,N,B,L,Q. iii) none of these iv). All of these |
| Answer» LETTER LThe letter L SHOWS LATERAL INVERSION. | |
| 18. |
What The agricultural tools used in ploughing are _____ are the different agricultural implements used in ploughing and leveling ? |
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Answer» plough and hoeExplanation:plough and hoe are the AGRICULTURAL tools USED for ploughing.hope it'll help ☺️ |
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| 19. |
If the magnitude of distance and force are increased by 4 times ,then the magnitude of energy is increased by how many times???? |
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Answer» units of LENGTH and force are increased by FOUR TIMES the unit of energy will be increased by. THEREFORE, if the units of length and force are INCREASE.... |
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| 20. |
What is reference of frame |
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Answer» bro MERE ANSWER ko BRAINLIEST answer DE do |
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| 21. |
What is the 2nd law of motion state with its derivation ? |
| Answer» NEWTON's second LAW of MOTION states that the acceleration of a SYSTEM is directly proportional to and in the same direction as the net external FORCE acting on the system, and inversely proportional to its mass. In equation form, Newton's second law of motion is a=Fnetm a = F net m . | |
| 22. |
When we add dropped a crystal of copper sulphate In cold water after sometime what we observe? |
| Answer» TION:In the glass of cold WATER, COPPER sulphate SETTLES at the bottom but in the glass of hot water it SLOWLY spreads. The copper sulphate crystals can be seen dissolving in the glass of hot water as the water just above the crystals will become blue in colour. | |
| 23. |
What is the 1st law of motion? |
| Answer» EVERY object moves in a straight line unless ACTED upon by a FORCE. Explanation:HOPE it helps you..... | |
| 24. |
A grids-lone has a conglanfailelease of Anads"-Starting from arst,calculate the angular ofango de opindolthis guindalonaa = 4 radl |
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Answer» please try to MAKE me a brineylistExplanation:HOPE i ASKING you to HELP |
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| 26. |
Law of canservation of energy define in short |
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Answer» In physics and CHEMISTRY, the law of conservation of energy states that the total energy of an ISOLATED system remains constant; it is SAID to be CONSERVED over time. ... For instance, chemical energy is converted to kinetic energy when a stick of dynamite explodes. |
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| 27. |
The magnitude of l in ampere in the given circuit is : a). 0.1b). 0.3c). 0.6d). none of these The diagram of the circuit is givenPlz answer quicklyNest answer would be marked brainliest |
| Answer» FLOWING through 60ohm RESISTANCE is 0.1A | |
| 28. |
When we add dropped a crystal of copper sulphate In hot water after sometime what we observe? |
| Answer» TION:The copper sulphate CRYSTALS can be SEEN dissolving in the glass of hot water as the water just above the crystals will become BLUE in colour. 2) After some time, copper sulphate will DISSOLVE in the glass of hot water and the a blue-coloured solution will be obtained.plz mark me brainlest and follow me | |
| 29. |
Two masses of 0.25 kg each moves toward each other with speed 3 ms -1 and 1 ms- collide andstick together. Find the final velocity(1) 0.5 ms -1(2) 2 ms-1(3) 1 ms-1(4) 0.25 ms -1 |
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| 30. |
Snake slithers up a giant sand dune at 2 m/s. How far will it have moved in a minute? |
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Answer» tion:120 m THINK so .......% |
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| 31. |
20 kg weight is suspended from a length of copper wire 1*10^-3 m in radius. if wire suddenly breaks, its temparaturr increases or decreases calculate change in temparature |
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| 32. |
A motorcar is moving with a velocity of 108 km/h and it takes 4 s tostop after the brakes are applied.Calculate the force exerted by thebrakes on the motorcar if its mass alongwith the passengers is 1000 kg. |
| Answer» U= 108 km/hr = 30 m/sv= 0t= 4 secsv = u + at0 = 30 + 4aa = -30/4Now F = ma = 1000 X (-30/4) = -7500 N | |
| 34. |
EXPLAIN MCB(MINIATURE CIRCUIT BREAKER) PLZ TELL FAST THE PERSON WHO WILL ANSWER CORRECTLY I WILL MARK HIM/HER THE BRAINLIEST |
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Answer» tion:A MINIATURE Circuit Breaker is an electromechanical DEVICE designed to PROTECT an electric circuit from over-current - A term to describe an ELECTRICAL FAULT caused by either overload or short circuit.plz mark me brainlest and follow me |
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| 35. |
Distance and displacement- which one is vector quantity ? give reason also |
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Answer» displacement depends on direction so it is a VECTOR..for ex. if someone walks 8 km then returns to the INITIAL position then distance = 8 +8 but displacement = 0 |
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| 36. |
What are the effects of force on an object ? |
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Answer» A force can move a STATIONARY OBJECT. A force can STOP a moving object. A force can change the speed of a moving object. A force can change the direction of a moving object. A force can change the shape and SIZE of an object. |
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| 37. |
how does change in momentum occur when velocity of object is nearly equal to the speed of light in vacuum |
| Answer» GE REQUIREDMOMENTUM Momentum (p) = mass x velocityHOW IT CHANGESi) For a body MOVING with SPEED less 10^6 m p = m∆v (mass constant) ii) But if a body like electrons are moving with a high ALMOST equal to speed of light, their mass changes. So, p = ∆(mv)So, your answer is momentum increses as both mass and VELOCITY increases.Please verify it | |
| 38. |
A body of density 'p' sinks in a liquid of density 'q'. The densities are related as 2 points p=q p>q p |
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Answer» p>qExplanation:P immerses through q. So by ARCHIMEDES PRINCIPAL of buoyancy the denser object sinks and LIGHTER object FLOATS... So p>q |
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| 39. |
The biggest source of energy on earths surface is |
| Answer» GEST SOURCE of ENERGY on earths SURFACE is the Solar Energy | |
| 40. |
can a trooper using a radar detector at the side of the road determine the speed of a car at the instantnthe car passes the trooper ? explain |
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Answer» jzjsjsjdrjdjdjdjddienejd. jsbwjjee |
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| 41. |
Determine the horizontal force P required to start moving the 500 N block as shown in figure up the inclined surface. Assume us=0.3. |
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Answer» racteristics of DRY FRICTION - SOLUTIONPLEASE MARK me as BRAINLEST |
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| 42. |
a boy is pulling a cart by supplying a constant force of 8n on a straight path of 20m. On a round about of 10m diameter he forgets the path and takes 1½ turns and then continues on the straight path of another 20m. Find the net work done by the boy on the cart |
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Answer» gafjgfdhjfddvbhtffhfssghhExplanation:xzgjjfdrghhfdsfvbhyzxgjvx jfzcbhffnjhcc |
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| 43. |
Can anyone solve this for me plzzz |
| Answer» CURRENT FLOWING to 18 OHMS RESISTANCE is 0.403A | |
| 44. |
How many types of force?? |
| Answer» 2 types There are 2 types of forces, contact forces and ACT at a distance force. EVERY day you are using forces. Force is BASICALLY PUSH and pull. When you push and pull you are applying a force to an object.PLEASE MARK BRAINIEST | |
| 46. |
Plz solve this....its urgent friends |
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Answer» Your books writing is so beautifullyplease MARK me as BRAINLIST please FOLLOW me |
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| 47. |
In the circuit shown a wire is connected between points A and B how much current will flow through the wire? pls explain this answer |
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Answer» 8.89 A will be the answer.Please MARK as BRAINLIEST |
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| 48. |
Figure shows a balloon filled with air and a light straw (passing through a string) attached to the balloon with a tape. When the thread closing the mouth of the balloon is opened, air comes out of tge balloon to the left side. To conserve the linear momentum of the system (balloon and straw). Plz tick ✅ the correct option |
| Answer» STRAW and BALLOON will MOVE to the RIGHT SIDE | |
| 49. |
Half-life of thorium is 1.4×1010 y. How much time is needed for 10% of thorium to disintegrate ? |
| Answer» IDK BRO, SORRY but PLZ FOLLOW me | |