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. |
In the circuit shown-(1) Current passing through 2ohm resistance is zero(2) Current passing through 4 ohm resistance is 5 A(3) Current passing though 5 ohm resistance is 4 A(4) all of these |
Answer»
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Explanation:
mycybijvp pls mark me brainliest.....
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| 2. |
What is light ?Pls tell fast |
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| 3. |
A tuning fork completes one oscillation in 0.000125 s Calculate the frequency of the tuning fork .Will the sound be audible and why ? |
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Answer» Explanation: |
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| 4. |
Assertion (A). A satellite which appears stationary with respect to the earth iscalled geostationary satelliteReason (R): Synchronous satellite always revolves around the earth in theequatonal plane with a time period of 24 hours. |
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| 5. |
Justify work energy principle in the following situations:(a) A car moving with a constant velocity is accelerated(b) A ball dropped from a height 'h' |
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| 6. |
What is hydrogen bomb ? |
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| 7. |
1 some famous physicst of Tamil Nadu????2 why my this question was deleted....(1&2) QUESTION both |
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Answer» Answer: 1. Sir Chandrasekhara VENKATA Raman 2. my question is also deleted 4 today Explanation: OOK? |
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| 8. |
A body weights 27N on the surface of the earth.what is the gravitational force on it due to the earth at a height equal to half the radius of the earth? |
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Answer» mark BRAINLIEST please✌ follow me |
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| 9. |
What is distance in simple wordspls tell the correct answerif u tell me the correct answer without copying and pasting plss answer me in your words if u did answer it correctly I will mark u as brainliest |
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Answer» Distance is how FAR one thing is from ANOTHER thing. It is ALSO a measure of the space between two THINGS |
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| 10. |
36. What is sonic boom , Explain with details?tell I detals |
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Answer» Sonic boom is the sound associated with the shock waves created whenever an object traveling through the air TRAVELS faster than the speed of sound. A massive sound is created when an object TRAVELLING faster than the speed of sound. It is so damn loud that hearing it in a distance lesser than the safe limit will make you DEAF totally. A super sonic JET PLANE or a space shuttle can make a sonic boom. |
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| 11. |
What is the difference between the molecular mass of an element and molecular mass of compound |
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Answer» Answer: Molecular mass of a compound is DEFINED as the mass of one MOLECULE. Molecular mass differs because of the isotopes. The unit in which molecular mass is measured is amu. Amu STANDS for atomic mass units. The MOLAR mass is the mass of a given chemical element or chemical compound (g) divided by the amount of substance (MOL). |
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| 12. |
Find the density of a substance whose relative density is 1.43.f. Calculate the density of a substancewhose mass is 5.4 g and volume is2 cm³PLEASE DON'T DO SPAM |
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Answer» Density = 5.4/2 Density = 2.7 ANS |
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| 13. |
Second law of vibrating string?How many nodes and antinodes are formed when the wire vibrates in fundamental mode? |
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Answer» Answer: The sound produced by a string has almost same frequency. ... Second law states that, If the length and linear density are CONSTANT, the frequency is DIRECTLY PROPORTIONAL to the square root of the tension. Two nodes and one antinode is formed when the wire is vibrates in FUNDAMENTAL MODE. |
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| 14. |
What is nuclear fusion ? |
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| 15. |
a particle is moving along a straight line with different velocity 20 km per hour in 5 seconds 40 kilometre per hour in 10 seconds and 60 kilometre per hour in 15 seconds then its average velocity will be |
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Answer» A particle is MOVING along a straight line with different velocities 20 kilometres PER hour in 5 seconds 40 KM per hour in 10 seconds 60 km per hour in 15 seconds then its average velocity will be 46.6kmph. |
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| 16. |
List number of activity which we use water ? |
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Answer» Explanation: hi there I am a LITTLE BIT of a little bit of a little bit of a little bit more time with the class now and then we will be in the following ad is a little more than one YEAR ago to 13 is a GOOD time for the following ad is my resume and any
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| 17. |
when we pull back the bow string we are storing potential energy in it so a bent bow possess potential energy |
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Answer» when we PULL the bow stringe potential ENERGY in to so a BENT bow poses potential energy |
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| 18. |
What is basic function of antenna? |
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Answer» "The two functions of an ANTENNA are: (1) For transmission of a signal, radiofrequency electrical energy from the transmitter is converted into electromagnetic energy by the antenna and radiated into the surrounding environment (ATMOSPHERE, space, water); (2) for reception of a signal, electromagnetic energy impinging ... Explanation: BRAINLIEST PLEASE |
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| 19. |
if a body covers two equal distance with different velocities of 2 kilometre per hour and 3 kilometre per hour respectively then the average velocity of body is |
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Answer» Answer: 2 km0oduufjdyeiiwieiudududycyuc |
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| 20. |
What is nuclear fission ? |
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| 21. |
assuming u= 0 at mean position find the total mechanical energy of a particle undergoing SHMof mass 2kg |
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Answer» 1/2*m*w^2*A^2 1/2*2*π^²/16*4 π^2/4 (π/2)^2 |
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| 22. |
a particle is moving along east direction with a velocity v metre per second and suddenly turns along north direction with the same velocity v then it resultant velocity is |
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Answer» Initial velocity =v1=5m/s seast wards. then after TIME t=10 sec towards EAST =5m/s v2=5m/s NORTH wards. towards east =5m/s V RESULTANT =v12+v22 =25+25=52 acceleration a=v=velocity/time =1052=22×22=21towardsn−w |
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| 23. |
Resultant of two vectors A & B is given by|R| = {|A|-|B|}, angle between A & B will be |
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| 24. |
If tangential acceleration vector of a speeding up particle at p =3i +4j cap m/s^2 find the theta |
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Answer» Explanation: |
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| 25. |
What happens to RMS velocity of ideal gas molecules if temperature is increased twice? |
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Answer» Explanation: If the temperature is increased, the average SPEED and kinetic energy of the gas molecules increase. If the volume is held CONSTANT, the increased speed of the gas molecules results in more frequent and more FORCEFUL collisions with the walls of the container, therefore increasing the PRESSURE . |
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| 26. |
What is nuclear energy ? |
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| 27. |
Name a material used as a core in an electromagnet and why is it used |
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Answer» A coil with an IRON CORE is called an electromagnet. The iron core increases the coil’s MAGNETIC field strength. |
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| 28. |
What is the mirror formula?How is it expressed |
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Answer» Explanation: mirror is a TYPE of reflection hope it will HELP you |
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| 29. |
Force exerted due to collision |
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Answer» During the collision, each body EXERTS a force on the other. This force is CALLED an impulsive force, because it acts for a short period of time COMPARED to the WHOLE motion of the objects, and its value is usually large. |
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| 30. |
WHAT IS HEAT?❌⚠NO SPAM⚠❌NO COPY PASTE |
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Answer» Answer:
ur answer DEAR follow me❤ |
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| 31. |
What is thermal energy ? |
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| 32. |
If a compass placed inside a magnet in which direction will it point. and why |
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Answer» Answer: North DIRECTION A compass needle points north because the north pole of the MAGNET INSIDE it is attracted to the south pole of Earth's built-in magnet. |
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| 33. |
38. Find the energy in KWh consumed in 10 hrs by four devices of power 500W each ? |
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Answer» Answer: 222000 ENERGY.... is there |
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| 34. |
What do you mean by uniform and non-uniform motion ? What can be the shape of the per covered by a moving object to have (a) uniform speed and (b) uniform velocity! |
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Answer» Answer: the motion which covers EQUAL DISTANCE in equal INTERVALS of time is CALLED UNIFORM motion the motion which covers unequal distance in equal intervals of time is called non- uniform motion. |
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| 35. |
11. A particle is moving along x-axis suchthat its position (x) varies with time(1) as,x= (t sint) m then average acceleration oftheparticlefromt=0 s to t= s is2ardu(1)m/s2(2)m/s2die2πNTUsm/s24(4) - m/s24TT |
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Answer» A particle is moving ALONG X-axis such that its position (x) varies with time(1) as, x= (t sint) m then average ACCELERATION of the particle from t=0 s to t= s is ardu (1) m/s2 ( 2) m/s2 die 2 π NT Us m/s2 4 (4) - m/s2 4 TT |
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| 36. |
State the four factors the magnetic force moving in magnetic field depends on |
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Answer» Answer: The force acting on the ELECTRICALLY CHARGED particles in a magnetic field depends on the MAGNITUDE of the CHARGE, the velocity of the particle, and its strength. Explanation: please mark as BRAINLIEST answer |
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| 37. |
Find the radius of gyration of a sphere |
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Answer» fti has the best job in songs and SUPPLEMENTARY books for his FIRST YEAR Explanation: 5AM said he kya and the only thing he kya has to say about study |
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| 38. |
Write conditions for constructive and destructive interference in terms of wavelength. |
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Answer» For constructive interference, the difference in wavelengths will be an integer number of WHOLE wavelengths. For destructive interference it will be an integer number of whole wavelengths plus a half WAVELENGTH. Think of the POINT exactly between the two slits. |
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| 39. |
State Newton's law of gravitation. Give its mathematical expression. |
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| 40. |
Define is the young modulus |
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Answer» Answer: The Young's MODULUS (or ELASTIC Modulus) is in essence the stiffness of a material. In other words, it is how easily it is bended or stretched. To be more EXACT, the physics and numerical values are worked out like this: Young's Modulus = Stress / Strain. |
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| 41. |
Define centrifutal force. derive expression for it? |
Answer» Defination:-The net FORCE causing the centripetal acceleration of an object in a CIRCULAR motion is defined as centripetal force.
The EXPRESSION for it is:-F = mv^2/r = mrw^2 = mwvPlease MARK as BRAINLEST |
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| 42. |
How are a magnetic lines of force directed inside a magnet |
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Answer» Answer: INSIDE the magnet, the direction of field lines is from its south pole to its north pole. Thus the magnetic field lines are CLOSED curves. ... The field is STRONGER, that is, the force acting on the pole of another magnet placed is greater where the field lines are crowded. No two field-lines are found to CROSS each other. |
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| 43. |
Illustrate an example of each of the three laws of motion.(AS) |
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Answer» these is your answer |
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| 44. |
Give some method to reducing friction |
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Answer» Methods for decreasing friction: 1 MAKE the surfaces SMOOTHER. Rough surfaces PRODUCE more friction and smooth surfaces reduce friction. 2 Lubrication is ANOTHER way to make a surface smoother. 3 Make the object more streamlined. 4 Reduce the forces acting on the surfaces. 5 Reduce the contact between the surfaces. hope it's helpful to you |
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| 45. |
A ball of mass 150g moves with 12m/s and bounces back after hitting a wall with 20m/s after a small duration of 0.01 seconds . What was the force applied on the ball when it hit wall |
Answer» Answer:SEE the ATTACHMENT photos.Don't FORGET to thanksMark as BRAINLIST. |
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| 46. |
Guys please give me some mcq based maths questions with answers for class 8plz don't spam my dear it's urgent |
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Answer» Answer: form worry I have COMPLAINED about your account problem to him apprentice MODERATOR |
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| 47. |
When light rays emerge from a glass prism into air are they reflected towards or from the normal? |
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| 48. |
Population inversion is a non ewuilibrium condition in whiich |
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Answer» Your question is:- Population inversion is a non equilibrium condition in which Answer:- Population inversion is a STATE of a system, for example a laser gain medium, where a higher-lying ENERGY level is more STRONGLY populated than a lower-lying level. ... This cannot occur under conditions of thermal equilibrium, where the level POPULATIONS are described by a Boltzmann distribution |
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| 49. |
Which of the following is not an effect of friction1. To produce heat2.To increse the speed of the body3.To cause wear and tear of the surface4.To oppose the motion of the body |
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Answer» your answer is : |
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| 50. |
What is the reading accuracy of a meter rule |
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Answer» Meter RULE is used to measure DISTANCE on paper. It is CALIBRATED in millimeters, centimeters, . some meter RULES are calibrated in inch or feet. The accuracy of meter rule is 0.1 CM or 1.0 mm. |
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