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. |
When do we say that vehicle is moving with a uniform acceleration |
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Answer» Answer: When an OBJECT moves with an INCREASING speed EQUALLY in equal interval of time is KNOWN as 'Uniform due to acceleration |
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| 2. |
What is motion?and it's types |
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Answer» Explanation: In PHYSICS, motion is the change in position of an object with respect to its surroundings in a GIVEN interval of time. Motion is mathematically described in terms of displacement, distance, velocity, acceleration, and SPEED. ... An object's motion cannot change unless it is ACTED upon by a force.The different types of motion is linear, vibratory and transillory motion... |
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| 3. |
How to calculate the antilog of 1.0006 |
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Answer» Answer: To calculate ANTILOG, plug the number you want to FIND the antilog for into 10 to the x POWER, where x is equal to the number you're working with. For example, if the antilog is 10^2.6452 use a CALCULATOR to find the answer, which is 441.7. |
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| 4. |
Can two vectors quantities be added in such a way their resultant be zero |
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| 5. |
The potential difference across a 3 Ohm resistor is is 6 v the current flowing in the resistor will be1. 12A2. 1A3. 2A4. 6A |
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Answer» Answer: POTENTIAL DIFFERENCE= current flowing. resistance = 6. 3 = 2 V |
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| 6. |
Good morning friends. Here is your question derive third equation of motion |
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Answer» Answer: 3) Third equation of Motion v^2 = u^2 +2as sol. We know that V = u + at => v-u = at or t = (v-u)/a ………..EQ.(3) Also we know that Distance = average velocity X Time .: s = [(v+u)/2] X [(v-u)/a] => s = (v^2 – u^2)/2a =>2as = v^2 – u^2 or v^2 = u^2 + 2as |
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| 7. |
Calculate the mass of body when a force of 525 n produces an acceleration of 3.5 m/s ^2 |
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Answer» F =ma 525N=m*3.5 m=525*3.5 =75*2=150kg |
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| 8. |
Calculate the force is the pressure of 125 p is applied over an area of 50 square |
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Answer» Explanation: This TOOL will calculate the force GENERATED by a pressure acting over a specified ... Enter the reading in any units for the applied pressure. ... F(kgf) = P(bar) x A(cm²) x 1.0197162 |
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| 9. |
By how much does the momentum of a body of mass 5kg change when its speed decreases from 20m/s to 0.20m/s |
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Answer» we KNOW that change in momentum = final momentum – initial momentum so, change in momentum = mv- mu or = 5×0.2 – 5×20 or = 1 – 100
THUS, Δp = – 99 kg.m/s2 |
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| 10. |
A galvanometer has a resistance of 50 ohm.A resistance of 5 Ohm is connected across its terminals.what part of total current will flow through the galvanometer? |
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Answer» Answer: as battery is not CONNECTED within the CIRCUIT , the CURRENT will be zero. If battery is connected, then the current will depends on its voltage. |
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| 11. |
Can refractive index less than unity |
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Answer» Answer: according to this theory of RELATIVITY no information can travel faster then the SPEED of light in vacuum but this does not MEAN that refractive index can be less than the VELOCITY of light |
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| 12. |
a person drives from A to B with a uniform speed 20 kilometre per hour and returns back with the speed of 15 kilometre per hour find his average speed |
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Answer» Answer: who was a person who drives car .... .... .... sorry |
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| 13. |
If a body has positive charge then what does it mean |
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Answer» if a body has positive charge then that means the body lost few electrons. hope it helps :) |
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| 14. |
the length and breadth of a rectangle are (5.7+_ 0.1 ) cm and ( 3.4+_ 0.2) cm respectively . calculate the area of the rectangle with error limits |
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Answer» L= 5.7±0.1 cm B=3.4±0.2cm A=9.69 cm ∆A/A=∆L/L+∆B/B ∆A/A= 0.1/5.7+0.2/3.4 = 74/969
∆A=(74/969).A ∆A=(74/969)9.69 ∆A=0.74 Area= 9.69±0.74 |
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| 15. |
The angle of incidence in an experiment on verifying the laws of reflection of sound is 30 degree. What would be the angle of reflection? |
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Answer» the ANGLE of REFLECTION is 30° . |
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| 16. |
3 examples when area decreases and pressure increases |
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Answer» Answer:1. In a KNIFE as AREA is very less if we apply less FORCE more PRESSURE is generated 2.In a HYDRAULIC lift 3.I n axes, saws and other machines Explanation: |
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| 17. |
1. The wavelength of light of a particular colour5800 Å. Express it in (a) nanometre and (b) metre |
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Answer» Explanation: 1A= 10^-10m b)5800A=5800*10^-10m =5.8*10^-7m a)5800A=580 *10-9m |
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| 18. |
3 examples when area increase and pressure decreases |
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Answer» Answer: buses and trucks usually have double wheels on the rear side high RISE buildings have a wide base tanks and Bulldozers are FITTED with Caterpillar tracks RATHER than wheels plz mark it BRAINLIEST |
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| 19. |
A unit radial vector î makes angles of a = 30°relative to the x-axis, B = 60° relative to they-axis, and y = 90° relative to the z-axis. Thevector î can be written as : |
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Answer» unit vector has magnitude 1. and while doing components JIS side angle ho udhar cos KA COMP. ATA H and opp side sin. but sin 30= cos 60.... |
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| 20. |
Why are coils of electric toasters and electric irons made of an alloy rather than a pure metal |
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Answer» Answer: because metals oxidizes READILY at HIGH TEMPERATURE and have low melting point hope it helps.. mark me brainliest |
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| 21. |
Answer correctly... |
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Answer» <P>Answer: 2420 OHM Explanation: p= 20 watt v=220 volt t=10 hrs p=w/10 w=v×v/R×T R=2420 ohm |
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| 22. |
a motor vehicle travel the first third of a distance at a speed of V1 is equal to 10 kmph the second third at the speed of V2 is equal to 20 kmph and the last third at a speed of V 3 is equal to 60kmph. determine the mean sped of the vehicle over the entire distance s. |
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Answer» average speed(V)= by USING the above formula you will get the MEAN speed as 1860km/hr |
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| 23. |
Explain herons formula....thx |
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Answer» Answer: You can calculate the area of a triangle if you know the lengths of all three sides, using a formula that has been known for nearly 2000 years. It is called "Heron's Formula" after Hero of Alexandria Just use this two step process: Step 1: Calculate "s" (HALF of the triangles perimeter): s = (a+b+c )/2 Step 2: Then calculate the Area: herons formula A = √( s(s-a)(s-b)(s-c) ) |
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| 24. |
Properties of magnetic field produced by a current carrying solenoid. |
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Answer» <STRONG>Answer: solenoid is a long coil of wire (with many turns or loops, as opposed to a flat loop). Because of its shape, the field inside a solenoid can be very uniform, and also very strong. The field just outside the coils is nearly ZERO. The current runs up from the battery on the LEFT side and SPIRALS around with the solenoid wire such that the current runs upward in the front sections of the solenoid and then down the back. An illustration of the right hand rule 2 shows the thumb pointing up in the direction of the current and the fingers curling around in the direction of the magnetic field. A length wise cutaway of the solenoid shows magnetic field lines densely packed and running from the south pole to the north pole, through the solenoid. Lines outside the solenoid are spaced much farther apart and run from the north pole out around the solenoid to the south pole. The magnetic field inside of a current-carrying solenoid is very uniform in direction and MAGNITUDE. Only near the ends does it begin to weaken and change direction. The field outside has similar complexities to flat loops and bar magnets, but the magnetic field strength inside a solenoid is simply |
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| 25. |
Why is the surface of a charge conductor of any shape equipotential |
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Answer» Answer: One of the rules for static electric fields and conductors is that the electric field must be PERPENDICULAR to the surface of any CONDUCTOR. This implies that a conductor is an equipotential surface in static situations. There can be no VOLTAGE difference across the surface of a conductor, or charges will FLOW. *Hope this will help you. PLZ give me a thank and follow me. |
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| 26. |
Conclusion of work power and energy |
Answer»
Explanation:
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| 27. |
a ball is released from a height of 50m. it takes 't' seconds. find the value of 't' and also find the velocity of ball before hitting the ground |
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| 28. |
If cyclist takes two minutes to complete half revolution on a circular path of 120radius.average speed |
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Answer» Explanation: half CIRCULAR path = 60 RADIUS time taken to cover half path= 2 minute |
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| 29. |
Define an electric circuit |
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Answer» Answer: An electrical CIRCUIT is a NETWORK CONSISTING of a closed loop, GIVING a return path for the current |
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| 30. |
A-2.Which of the following contains the greatest number of atoms?(1) 1.0 g of butane (C4H10)(2) 1.0 g of nitrogen (N2)(3) 1.0 g of silver (Ag)(4) 1.0 g of water (H20) |
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Answer» mark as branliest |
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| 31. |
Epithelial cells with cilia are found in ____ of our body. |
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Answer» for the ULTRAFILTRATION |
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| 32. |
What are the fundamental CGS units that exists in Physics |
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Answer» Hello MATE.... |
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| 33. |
What is Christian ? what is there god |
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Answer» Answer: what is Christian ? what is there god Explanation: CHRISTIANS are a GROUP of PEOPLE who worship jesus as their god they are seen everywhere in the world. MOSTLY in EUROPE we can see them Hope it helps!! _______________________________ |
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| 34. |
What is glycogen and where it presents |
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Answer» Explanation: ◾That includes the , red blood cells,Kidneys, WHITE blood cells, ETC. ◾Such as rice and BREAD, potatoes etc. |
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| 35. |
What are the fundamental units in SI system |
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Answer» The SI base units are seven units of measure defined by the INTERNATIONAL System of Units as a basic set from which all other SI units can be derived. The units and their physical quantities are the second for time, the metre for measurement of length, the KILOGRAM for MASS, the ampere for electric CURRENT, the kelvin for temperature, the mole for AMOUNT of substance, and the candela for luminous intensity. |
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| 36. |
How air pressure support mercury column? |
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Answer» The atmospheric pressure, the sinking action of the column of air, pushes against the RESERVOIR mercury, which in turn pushes the mercury in the glass tube upwards and maintains it in that column.Answer: Air pressure is ABLE to support mercury column because the weight of the column of atmospheric air BALANCES the weight of the mercury column Explanation: Mercury barometers are made of glass tube and mercury. The BASIC structure of a mercury barometer consists of mercury placed in a glass tube that is about 3-feet long and placed upside down in a reservoir container full of mercury (known as reservoir mercury). The end effect is that the pressure exerted or weight of the atmospheric air balances exactly with the pressure exerted by the mercury column. |
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| 37. |
What is parallax method derive expression for measuring the distance between earth and ⛅ sun also diameter of the sun |
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Answer» Hold the arm with the finger stretched. ...Measure the distance between your EYES with a ruler.Measure B with your angle-measuring tool.Make a drawing on scale and find from that the distance between your eyes and your finger. make me as BRAINLIST plse |
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| 38. |
A car is moving with constant speed on straight line. what is the net work done by external force |
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Answer» Answer: |
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| 39. |
What happen the heat is generated the resistence lis double |
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Answer» Answer: A deep FRYER is a kitchen appliance used for deep frying. Deep frying is a method of cooking by submerging FOOD into oil at high HEAT, typically between TEMPERATURES of 350 °F and 375 °F (175 °C to 190 °C).[1] |
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| 40. |
Find equivalent resistance and current in each case. |
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Answer» Answer: good question you should to try to SUM all the GIVEN RESISTANCE then you will get you equivalent resistance. I hope you will understand. |
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| 41. |
A spherical ball of mass m = 5 kg rests between two planes which make angles of 30° and 45°respectively with the horizontal. The system is in equilibrium. Find the normal forces exerted on the ballby each of the planes. The planes are smooth.MONTIMIT |
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Answer» DETAILED ANS. in the PIC DESCRIPTION... F=25√5N |
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| 42. |
Why electric field intensity due to an infinite sheet of charges does not depend on distance? |
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Answer» Explanation: By definition electric FIELD intensity at a point is defined as the force acting on a unit positive charge placed at that point . E = F/q The lines are all perpendicular to the SHEET, which makes them parallel to each other. They don't diverge. Their density doesn't vary with DISTANCE. |
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| 43. |
A train of mass 6.84 * 10^6 kg is moving at speed of 80 km/h. The brakes, which produce a new backward force of 1.93*10^6 N are applied for 25 seconds(I) What is the new speed of the train ?(ii)how far has the train travelled in this time? |
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Answer» ✶⊶⊷⊶⊷⊷⊶⊷ ❍⊷⊶⊷⊶⊷⊶⊷✶ SEE THE GIEVN ATTACHMENT ✶⊶⊷⊶⊷⊷⊶⊷ ❍⊷⊶⊷⊶⊷⊶⊷✶ . |
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| 44. |
When ethene gas is compressed at a high temperature, a solid is formed. |
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Answer» YES ETHENE gas will BECOME a SOLID when it will compressed at a high temperature |
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| 45. |
Why we do not use concave mirror in the car |
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Answer» Because a concave mirror gives a big IMAGE while while DRIVING we need a smaller view to look WIDER |
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| 46. |
Seven resistances are connected as shown inthe figure. The equivalent resistance betweenA and B is :-3 ohm4 ohm4.5 ohm5 ohm |
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Answer» here is your answer 4ohm is the RIGHT answerJay HIND |
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| 47. |
a body covers one complete revolution around circular park of circumference 176m in 4 min. find displacement of body after 6 min |
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Answer» dist-176m t-4min=240sec s=d/t =176/240=0.733 v=displacement/time 0.733*6*60=displacement displacement =263.88m |
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| 48. |
What is by refractive index |
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Answer» Explanation: The ratio of the VELOCITY of LIGHT in a VACUUM to its velocity in a specified medium. HOPE HELPED MARK BRAINLIEST |
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| 49. |
What are the important domain's of physics. |
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Answer» Answer: optics, electrostatics, THERMODYNAMICS, MODERN PHYSICS |
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