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Quick General knowledge Quiz on Physics for UPSC

Physics deals with a wide variety of systems, some of its theories were experimentally tested numerous times and found correct as an approximation of nature (within a certain domain of validity). Physics also makes significant contributions through advances in new technologies that arise from theoretical breakthroughs. Some of the day to day useful things of modern-day society, such as television, computers, domestic appliances, and nuclear weapons; advances in thermodynamics are due  to the development in the field of  physics

Quick GK Test on Physics -2

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Comments ( 29 )

  1. wHAT HAPPENS TO THE ELEMENTS IN IRON ORE WHEN THE ORE IS MIXED WITH CARBON AND HEATED

  2. two people (one 80kg and the other 40kg) are standing on ice skates and they push off of each other. Who pushes off with the greatest force? Who experiences the greater acceleration?

  3. a car stands beside a series of poles 4 m apart. it accelerates from rest at a rate of 2m/s^2 for 4 seconds, maintains its constant velocity for another 4 seconds, and brakes to rest in 2 seconds. how many poles have the car passed?

    can you please show me the solution? thanks

  4. I have limited science knowledge, currently studying economic in University. I would like to become a dermatologist to help others with their skin problems. Is it too late to start studying science, then apply for med school?

  5. give me prof that scientific laws can change!

  6. Religion pre-decides what nature is without much evidence or understanding of what nature is. Whereas science lets the experiments and the equations decide what nature is.

    She’s gonna come out as she is, and science is there to observe her as she is.

    But not religion. It pre-decides what she is. And it’s been demonstrated before that religion has been wrong; and it’ll be wrong again.

    And science is a continuous process. Science is always trying to understand her as she is. But not religion. Religion is stuck on seeing things in only religion’s way. And religion never likes to be corrected.

    Science and religion are incompatable.

  7. give me three kinds of bacteria that causes diseases

    and name me one kind of protist that causes disease and leave links that would be helpfull if you want 10pts

  8. A 2.0-kg mass is attached to one end of a spring with a spring constant of 100 N/m and a 4.0-kg
    mass is attached to the other end. The masses are placed on a horizontal frictionless surface
    and the spring is compressed 10 cm. The spring is then released with the masses at rest and
    the masses oscillate. When the spring has its equilibrium length for the first time the 2.0-kg
    mass has a speed of 0.36 m/s. The mechanical energy that has been lost to the instant is:
    A. zero
    B. 0.31 J
    C. 0.61 J
    D. 0.81 J
    E. 1.2 J

    The correct answer is B. Pls. Explain.

  9. Hi,

    Mathematics and computer science are not natural sciences, applied sciences (technology) or social sciences.
    So, what kind of sciences are they?

    I found out that they may belong to constructive sciences or formal science but I am not sure.

    PLEASE DO NOT ANSWER WITH LINKS.

    Thanks.

  10. Wheres my scooby snack
    May 19, 2012 at 8:01 AM

    I’m writing an essay on how literature and science affect the understanding of humanity and society. I’ve got the literature part down pretty well, but I am absolutely stuck on the science part. I have to choose either between natural sciences or human sciences and relate it to reason, but I don’t have any specific examples. Can you give me a few?

  11. Tractors can ride through a mudy field that a car would readly sink into, even though the difference in wight is no that much. WHY ? What is the difference between the tractor and car?

  12. Amor Raven Nicole
    May 22, 2012 at 2:58 PM

    Constructive interference will maximize the amplitude of two waves of identical wavelength if they are offset by:
    wavelength/4
    wavelength/2
    wavelenth/pi
    wavelength/2pi
    wavelength

  13. ronald kay aquende
    May 25, 2012 at 11:23 AM

    I need to know some ways to change the viscosity of a liquid. I already have temperature, which is an obvious one. There are no sites that help me and I need more then one way. Please help!
    (grade 8 science)

  14. Want to help me out?
    Would be greatly appreciated.

    Here’s all four:

    How does physics serve to improve our understanding of physical systems?

    How do the principles of physics effect your daily life?

    Describe something in nature that has become more compelling because of an understanding of physics principles

    Is it possible to describe the whole natural world (chemical and biological) with a small number of physical principles? If so, how?

    Is physics a redundant science? Do we now have a clear understanding of the interactions between matter and energy on all scales? Is technological application the main thrust of physics research today?

  15. hello everybody. Lets say you had jet boots that were unstable. They provided upward thrust but you could not control the thrust. You might suddenly jet off to the right. So now, you have this idea. To a gauntlet, that works simialair to an Ion thruster. Now, you you turn you boots on. Your flying up. You suddenly jerk to the right. You power up your right hand trhruster. How much power would you need to stabilize. When I say power, how much power would you need to add to your gauntlet?

  16. which of the following types of electromagnetic radiation can be used to check metal parts for damage? X-rays, Microwave or infrared radiation?

  17. It’s purely antecdotal but it feels like the amount of science literacy has gotten worse in recent years. What can we do to reverse that trend? Should we throw money at it? Give incentives to schools that do well in science? Make the standardized tests harder? More scholarships for science majors? Start a new PR campaign that makes science cool? Have the government appoint someone as a Science Ambassador? What do you think would work best?

  18. Bullets from two revolvers are fired with the same velocity. The bullet from gun #1 is twice as
    heavy as the bullet from gun #2. Gun #1 weighs three times as much as gun #2. The ratio
    of the momentum imparted to gun #1 to that imparted to gun #2 is:
    A. 2:3
    B. 3:2
    C. 2:1
    D. 3:1
    E. 6:1

    The Correct Answer is C. Pls. Explain

  19. gahhhh i hate science!

    anyway, we have to find manuplitive and responding variblies for my question. My question is how many of the barn owls prey are herbivores, omnivores, or carnivores. I neeeeeeeed help.
    btw, this is 6th grade Advanced Science.
    and please, no rude comments… i really need help.

  20. I’m looking at a college and it says you have to have 3 years of lab science. What classes are those? I took earth science last year, and am planning on taking Chemistry, Chemistry II (not sure of the exact name) and physics. Are all of those lab sciences or what?

  21. Physics homework help!!!!! very important, need to get an A?
    an object is placed in front of a diverging lens with a focal length of 20.0 cm. For each object distance, find the image distance and the magnification. Describe each image.

    a. 40 cm
    B. 20.0 cm
    C. 10.0 cm

    i think one equatiom might jog ur memory, like 1 over p plus 1 over f equals 1 over q or something like tht, plz help me, i need to pass physics fo this quarter, i did the 1st 6 problems, but cant get these last two. thnx very very much

  22. When a particle suffers a head-on elastic collision with another particle, initially at rest, the
    greatest fraction of kinetic energy is transferred if

    A. the incident particle is initially traveling very fast
    B. the incident particle is traveling very slowly
    C. the incident particle is much more massive than the target particle
    D. the incident particle is much less massive than the target particle
    E. the incident and target particle have the same mass

    the answer is E
    but why?
    thank you

  23. I have been conditionally accepted into a respiratory therapist program but have never taken any Physics perviously and one of the requirments is 112 physics. I am planning to take a correspondence course via a local college, but am worried about not being able to understand the concepts of physics. I would greatly appreciate some insite on what Im up against! Thanks!

    PS: Also if you know how interelated the concepts of physics and respiratory therapy are it would be nice to know.

  24. Greyson TipSquirrel
    November 13, 2012 at 7:29 PM

    I want to study more on physics, but i dont know where to get good textbooks on my level. I am a middle schooler. I can comprehend higher than middle school level (probably), so i need some answers.

  25. I’m curious what the hardest-to-understand areas of physics are. I’m in the second year of a physics degree, and I’m curious what might become difficult. I’ve been able to understand both special and general relativity. Later this year I’ll be learning quantum mechanics, particle physics, solid-state physics, and the Schrodinger equation.

    Which of these topics am I most likely to struggle with (keeping in mind I already understand general relativity)?

    I’m curious as to why people think you have to be really smart to study physics. Not to say I’m not, but I wonder.

  26. I’m gonna be taking physics next year in high school, but i haven’t taken precalculus yet. I’ve heard that you should know certain things from precalculus to do well in physics. What should I know? Can you please provide links to websites or names of books.

    Also where can i find a free online physics course or a free physics textbook online?

  27. I have three choices: physics, environmental science, and aquatic science. Im a junior at this moment. I heard that physics is alot of math and Im descent at math but im already going to take Precal and that already seems to much for me. The other two classes are supposed to be easy. Wat do you guys suggest? Thanks for answers.

  28. My final project in physics is to demonstrate the physics behind something, and I picked supernovas!
    Except, there’s so much to it and to explain, where should I center the info so it’s not too long?
    Also, is there any way to actually physically demonstrate something similar to a supernova? Obviously i can’t make a supernova on earth, but a relative way to show it.

  29. I teach middle school science and I’m looking for some new ideas and for people to back up some of the projects I already have in mind.

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