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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. |
A charged cloud system produces an electric fiein the air near the earth's surface. A particle of change-2 10-° C is acted on by a downward electrostaticforce of 3 x 10-6 N when placed in this field. Thegravitational and electrostatic force, respectivelyexerted on a proton placed in this field are(1) 1.64 x 10-26 N. 24 * 10-16 N(2) 164 x 10-26 N. 1.5 x 10' N(3) 1.56 * 10-18 N. 2.4 x 10-16 N(4) 1.5 * 10' N, 2.4 x 10-16 N |
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Answer» Answer: 1.56*10-18N.2.4×10-16 N |
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| 2. |
A body of mass 10 kg is falling from a height of 4m above the ground. The kinetic energy gained by the body just before touching the ground is....( take g = 10 m / s ^2) |
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Answer» jwc-catz-dtb |
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| 3. |
Whatt is force......... |
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Answer» ғᴏʀᴄᴇ : ғᴏʀᴄᴇ ɪs ᴀ ᴛʜɪɴɢ ᴛʜᴀᴛ ᴘᴜsʜᴇs ɪɴ ᴛʜᴇ ғᴏʀᴍ ᴏғ ɢᴀsᴇs ᴇɢ:ɢʀᴀᴠɪᴛᴀᴛɪɴᴀʟ ғᴏʀᴄᴇ ᴇᴛᴄ: ᴜ ᴄᴀɴ ғɪɴᴅ ᴍᴀɴʏ ғᴏʀᴄᴇ ɴᴇᴀʀ ᴏᴜʀ sᴏᴜʀʀᴏᴜɴᴅɪɴɢs ᴇᴛᴄ: ʜᴏᴘᴇ ᴛʜɪs ʜᴇʟᴘs ᴜ !! @ʀɪᴊᴜ24680 |
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| 4. |
A current carrying conductor is placed in between the poles of the stable magnetic field. Thedirection of force acting on the conductor is given by the law:(a) Maxwell’s Cark-screw rule(b) Fleming’s Right hand rule(c) Fleming’s left hand rule(d) Ohm’s law. |
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Answer» Answer: |
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| 5. |
Draw a diagram of refraction of light |
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Answer» here is your answer... |
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| 6. |
Which of the following is an Ohmic resistance? *Metallic diodevacuum tube diodessemiconductorscarbon resistors |
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Answer» is it RIGHT?? |
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| 7. |
And different appliances are also used to reduce the noise.A. speakerB. MicC. sound recorde |
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| 9. |
A charged particle experiences minimum forcewhen it travels -АParallel to the magnetic fieldBNormal to the magnetic fieldNarStandCAt 45° to the fieldSubjeDAt 75° to the field |
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| 10. |
a spring is stretched by 50mm by applying a force the work done by the spring is. if the force required for stretching 1 mm of the spring is 10N |
Answer» QUESTION:A spring 50mm long spring is stretched by APPLYING a force. If 10N force is required to stretch the spring through 1 MM, then work done in STRETCHING the spring through 50mm is Given:Force (to stretch 1mm) = 10N To Find:Work done by stretching 50mm. Solution:Force constant, ∴ Work done by stretching the spring by 50mm is 12.5J. |
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| 11. |
Write T for True and F for False. Correct the false statements.1. Escape of the more energetic molecules from the surface of a liquid decreases theaverage temperature of the molecules that are left behind2. Rate of evaporation is the same for every liquid.3. Boiling takes place throughout a liquid and not just at the surface,4. When a solid expands in two dimensions, it is called cubical expansion.5. A bimetallic strip consists of two strips of different metals joined together that expand atsame rates as they are heated.5. A dentist uses filling material that has different rate of expansion as that of the enamel.The rate of expansion for the same liquid differs greatly in different temperature ranges.correct antion to fill in the blank, |
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Answer» t t t t f t f |
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| 12. |
5. “दार प्रत्यय और ' इत ' प्रत्यय वाले पाँच-पाँच शब्द लिखिए। |
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Answer» दार=समझदार किरायेदार ईमानदार हवादार हवलदार इत= पारित ललित अमित अंकित रमित I HOPE it HELPS you .MARK me as BRAINLIST |
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| 13. |
What is refraction of light??answer kindly |
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Answer» Answer: In physics, REFRACTION is the change in direction of a WAVE passing from one medium to another or from a GRADUAL change in the medium. Refraction of light is the most COMMONLY observed phenomenon, but other waves such as sound waves and water waves also experience refraction. Explanation: hope this will HELP you |
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| 14. |
Write some applications of newton's second law of motion |
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Answer» Explanation: When you PUSH on the pedals, your bicycle ACCELERATES. You are increasing the speed of the bicycle by applying FORCE to the pedals. Newton's SECOND Law also says that the greater the mass of the object being accelerated, the greater the amount of force needed to ACCELERATE the object. |
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| 15. |
Calculate the maximum displacement of the sound wave in air whose frequency is 3.4 kHzand having the maximum pressure of 2.0 Pa.(a) 1.4x100 m(b) 2.6x10-b m(c) 2.3x10 m(d) 23x10-7 m |
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Answer» Explanation: Albuquerque was the major figure in the establishment of the Portuguese sea empire in the East. In 1510 he captured GOA, which he fortified and made the chief trading POST and PERMANENT NAVAL base in India. To give it a stable character, he offered lands and SUBSIDIES to Portuguese men who would marry native wome n. |
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| 16. |
A bulb of 60 watt is used for 6 hrs daily. How many units of electrical energy are consumed? |
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Answer» Answer: Explanation: 10 UNITS of ELECTRICAL energy CONSUMED |
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| 17. |
Which law of motion is applied when a fast moving striker hits the carrom coin and onlycoin at the bottom of the pile is removed? a. Newton’s first law of motion. b. Newton’s second law of motion. c. Newton’s third law of motion. d. Free Fall |
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| 18. |
Definitions of physical quantities and its units and dimensional formulaes |
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Answer» Answer: All PHYSICAL QUANTITIES can be expressed in terms of seven fundamental (base) quantities such as mass, length, TIME, temperature, electric current, luminous INTENSITY and amount of substance. .. Hope it helps you and mark me as BRAINLIEST. |
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| 19. |
Find vector A bar-B bar equal to Ax Bx Ay By Az Bz |
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Answer» PLZ MAKE me BRAINLIEST FIRST |
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| 20. |
Write an experiment to study the reaction of metal and non metals with water |
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Answer» dghjhvdtjjjjZZDDDDDDDG G JHHHHHXXXXXXXXXXXXHHHHHXHHHHH C C C C X |
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| 21. |
A fire engine moving at a speed of 34.0 m/s and blows the siren with a frequency290112, A truck is moving in a direction opposite to the fire engine with a speed of14.0 m/s. Calculate the frequency that the truck driver hears while the fire engineapproach,(a) 335 HZ(b) 309 HZ(c) 253 HZ(d) 275 HZ |
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Answer» gwwkeow9w |
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| 22. |
Give reason Fertilisers and pesticides should not used in excess |
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Answer» Answer: Soil scientists said that continuous USE of chemical fertilizers and pesticides in the arable LAND GRADUALLY decreases its productivity. ... EXCESSIVE use of chemicals destroys soil nutrients like sodium, potassium, nitrogen and creates imbalances in soil fertility, according to researches. |
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| 23. |
2. विद्युत-तापक में प्रयुक्त ऊष्मारोधी अचालक है |
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Answer» mjhdhdhgyyrhdhdydydydgydgdgdgdggdgdggdgdgdggdggdggggdgsgsgdhdhdd the hsdhhdbdbdbbdbdb xhhdhdhxhxhxhchhhchh dhudh xhhdhdhxhxhxhchhhchh dhudh hshhgdghhdgshshhdhdhdhhxhxhxhxhxhxhxhhxhxhxhxhxhxxhxhhxhfhdgdgdhsjakahdhxhxbhdjyooyyodgdgzxhjhbjdijdjdjdjddhhdhdhxhxhxhhxhxbhdhdhdhdhdhdhhdhfhdhx xhhdhdhxhxhxhchhhchh dhudh duita faak KORE MIDDLE ejjsjd |
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| 24. |
Which of the following correctly describes the magnetic field near a long straight wire?a. The field consists of straight lines perpendicular to the wire.b. The field consists of straight lines parallel to the wire.c. The field consists of radial lines originating from the wire.d. The field consists of concentric circles centred on the wire. |
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Answer» Answer: the FIELD CONSISTS of concentratic CIRCLES centred on the wire. |
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| 25. |
A fire engine moving at a speed of 34.0 m/s and blows the siren with a frequency290 Hz. A truck is moving in a direction opposite to the fire engine with a speed of14.0 m/s. Calculate the frequency that the truck driver hears while the fire engineapproach.(a) 335 Hz(b) 309 Hz(c) 253 Hz(d) 275 HzAnswerAB |
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Answer» Answer: to the FIRE ENGINE with a speed of 14.0 m/s. Calculate the frequency that the TRUCK driver hears while the fire engine approach. (a) 335 Hz (b) 309 Hz |
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| 27. |
Write down the the wind energy formula is relating is the radius of the blades (r) and wind speed (v). Estimate the power in the wind if the wind speed is 60 m/s and blade length is 60 m. (Given Air density ρ = 1.23 kg/m) |
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Answer» bsbsnansnz Z z z bnsnnaam.!(£!!(!?,'am•♤•♤♡`◇◇•○♤》○¡~`♡♡`♡`♤*+**+*+``°°☆☆☆☆☆☆☆☆☆☆♡☆♡♡•♡○♤•♡♡♡\♡~♡~♡°◇•♡■○♤`¡`¿\}■2》~¡ |
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| 28. |
Define woelength in the term ofcompresionalwave |
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Answer» Answer: The WAVELENGTH of a longitudinal wave is the DISTANCE between two consecutive compressions, or two consecutive rarefactions. Hope this answer will HELP you.. Any more problems so here am I.. ☺️ |
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| 29. |
Relative strength of magnetic field at a point in the space surrounding the magnet is shownby the(a) length of magnet(b) thickness of magnet(c) degree of closeness of the field.(d) resistance offered by the surroundings |
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| 30. |
The high voltage in a TV receiver is 17 kV . The minimum allowable current 150 uA what is the least permissible of load resistance? |
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Answer» ⚡⚡⚡⚡⚡⚡⚡⚡⛈️️⛈️️⛈️️️️️️️️️️️️️️️️️️️️️⛈️⛈️⛈️⛈️⛈️⛈️⚡⚡⚡⚡⚡⚡ |
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| 31. |
A test charge experience a force of 0.03N when placed in a electric field intensity 6×10^3N/C then magnitude of test charge will be? |
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Answer» FOLLOW me
PLEASE follow me Explanation: follow me
please follow me |
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| 32. |
Question 3. A water tanker filled to its half of maximum capacity moving with some velociby applies brake suddenly. What would happen to the water level? Why? |
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Answer» Answer: A water tanker filled up to 23 of its height is moving with a uniform SPEED. On sudden APPLICATION of the brake, the water in the tank WOULD. Solution : On sudden application of brakes, water in the tank would move forward due to inertia of motion. |
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| 33. |
What is pet in polymers |
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Answer» Polyethylene terephthalate (PET or PETE), a strong, stiff synthetic fibre and resin and a member of the POLYESTER family of polymers. PET is spun into fibres for permanent-press FABRICS and blow-molded into DISPOSABLE BEVERAGE bottles. |
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| 34. |
Write a short note on polar climate |
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Answer» Polar REGIONS are characterized by extremely cold temperatures, HEAVY glaciation wherever there is sufficient PRECIPITATION to form permanent ice, and extreme variations in daylight HOURS, with twenty-four hours of daylight in summer, and complete darkness at MARK ME AS BRAINLIST |
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| 35. |
A person is standing at 1 m in front of a plane and vertical mirror. What is the distance between that person and its image by the mirror? |
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Answer» Answer: 2m Explanation: Distance between object and IMAGE is TWICE the distance between object and mirror. Here the person is object. So the distance between the person and image is 1×2= 2m Hope it HELPS |
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| 36. |
What is the frequency of radiation of wavelength 600nm |
Answer» Answer:
Given:
To FIND:
Solution:Frequency :- velocity of light / wave LENGTH Wave length :- 600nm = 600 × 10^-9 m. Velocity of Light :- 3 × 10^8 m/s Therefore, Frequency = 3 × 10^8 / 600 × 10^-9 → 3 × 10^8 × 10^9 / 600 → 3 × 10^15 / 6 → 10 × 10^14 / 2 → 5 × 10^14 Hz Therefore,
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| 37. |
Derive an expression for pressure everted by a liquid column with the helpof a digram |
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Answer» fhlsjdyfzufdugugudigigdigdutduguduufudoufyodufigofydgfyf |
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| 38. |
Which site is suitable for constructing a house |
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Answer» Answer: Where to build your house on land |
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| 39. |
Centre of sphere from whichmirror is made |
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Answer» gcuvocgopbupctoxciyxy Explanation: XG ofzdugxuvibzjbhcjbdhjfsduvkfsybklvsuhvk |
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| 41. |
If a body of mass 10 kg is raised to a height of 6m above the earth. Calculate its potential energy? |
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Answer» POTENTIAL energy of the body = mgh MASS of body = 10 kg Height above the EARTH = 6 m ACCELERATION due to gravity = 10 m/s2 So, EP = 10 × 10 × 6 = 600 J Thus, potential energy of the body is 600 Joules. |
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| 42. |
Area of base of a cylinder is 400cm. Water is poured upto depth 0,8m.Calculate the pressure and thrust of water at the base in SI unit.(Density of water is 1g/cm) |
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Answer» Answer: Given Area of base of VESSEL , a = 300 cm2 = 300 × 10-4 m2 Density of water , ρ = 1000 kg m-3 Depth , h = 6 cm = 0.06 m Acceleration due to gravity , G = 10 ms-2 (a) Pressure = hρg = 0.06 × 1000 × 10 = 600 pascal (b) Thrust , T = pressure × area = 600 × 300 × 10-4 = 18 N hope it helps you. |
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| 43. |
(a)Detine electron gain enthalpy.(6)Give the increasing order of size :Na+, Mgt? N, Ar, Ne, o?Finlain hydrogen line snestrim |
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Answer» Explanation: |
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| 44. |
What is the basic condition for the motion of a particle to be in SHM |
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Answer» SHM is a type of vibratory MOTION in which acceleration of BODY is directly PROPORTIONAL to its displacement and the acceleration is always DIRECTED towards the equilibrium (mean) position. 1. There must be an elastic restoring force acting on the system. |
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| 45. |
Syntax for if...then...else statement. |
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Answer» Answer: MULTILINE syntax When an If ... Then ... Else statement is ENCOUNTERED, CONDITION is tested. If condition is TRUE , the statements FOLLOWING Then are executed. If condition is False , each ElseIf statement (if there are any) is evaluated in order. |
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| 46. |
Which pair of physical quantities have same unita)force and workb)work and energy c) power and force d) work and power |
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Answer» WORK and energy Explanation: |
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| 47. |
What is mean by specific latent heat of fusion |
Answer» specific LATENT heat of fusion :-the AMOUNT of heat ENERGY absorbed at CONTANT temperature by UNIT mass of a solid to convert into liquid phase is called the specific latent heat of fusion. |
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| 48. |
An 80kg block rests on a horizontal plane what is the frictional force acting if p= 400 N .Take coefficient of kinetic friction as 0.25 |
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Answer» PLEASE MARK me BRAINLIEST answer |
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| 49. |
Asteel rod when measurefd with a zinc scale both being at 25degree appear to be 1m long.If scale is corrected at 0degree celciusthen what is the length of rod at 0degree celcius .Calculate |
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Answer» Answer: PLESE subscribe to the my YouTube CHANNEL kaustubh Singh chauhan channel NAME 36 SUBSCRIBER |
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| 50. |
Solue thefollowing questional. Evalutei sin 300 |
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Answer» Answer: follow yfyoct9xtoxyocgoxogoxoogfoxogoxyffff I can't understand sis and bro can't FIND it to the hell is this again later for READING my LETTER of BTS on the hell is that if the ROOM TEMPERATURE gishcivshvv |
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