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  1. F

    Biology; Chemistry; Physics: Post your doubts here!

    Increase voltage of Q :p
  2. F

    Biology; Chemistry; Physics: Post your doubts here!

    No. Answer is to vague.
  3. F

    Biology; Chemistry; Physics: Post your doubts here!

    It depends. I rounded off the value of mass to two sign figures and took it as 0.5 0.5 say 113 400 ata hai. Sahi hai donon :p
  4. F

    Biology; Chemistry; Physics: Post your doubts here!

    9000 x 8 ------------------- 4200 x (94-60)
  5. F

    Biology; Chemistry; Physics: Post your doubts here!

    Bridge rollers is a way to correct the problem by expansion so I'd say no.
  6. F

    Biology; Chemistry; Physics: Post your doubts here!

    i actually wrote fixing tyre over an axle as an advantage :p All hydroxide and oxides are insoluble except group 1 and Ammonium. :p
  7. F

    Biology; Chemistry; Physics: Post your doubts here!

    C, velocity and speed wala.
  8. F

    Biology; Chemistry; Physics: Post your doubts here!

    Allah karey chemistry ka acha ho jaye. Chemistry MCQ is the toughest.
  9. F

    Biology; Chemistry; Physics: Post your doubts here!

    That is what i said. H would decrease. :|
  10. F

    Biology; Chemistry; Physics: Post your doubts here!

    Real Inverted and magnified as the object was between f and 2f. (A) It decreases with as atmospheric pressure decreases with height. As atmospheric pressure decreases there was less pressure acting on the open end. Thus the liquid would move up.
  11. F

    Biology; Chemistry; Physics: Post your doubts here!

    You had to mark f, 2.8 cm away from lens. First ray passes through it while second goes undeviated.
  12. F

    Biology; Chemistry; Physics: Post your doubts here!

    80-90% ki range hoti hai lol tu 85 par tu aa hi jaye ga.
  13. F

    Biology; Chemistry; Physics: Post your doubts here!

    Good call. And han 85% par tu A aa jaye ga.
  14. F

    Biology; Chemistry; Physics: Post your doubts here!

    OMG. I did the same thing :O God bless.
  15. F

    Biology; Chemistry; Physics: Post your doubts here!

    What did you guys do for the lens one? Where we had to write the values for more than 1 cm and less than 1 cm?
  16. F

    Biology; Chemistry; Physics: Post your doubts here!

    Ikr. For a moment i was like wut ._.
  17. F

    Biology; Chemistry; Physics: Post your doubts here!

    I did the same thing xD But they'll cut down the Pa i think and deduct one mark, maybe, maybe not if they're merciful.
  18. F

    Biology; Chemistry; Physics: Post your doubts here!

    It cant be resultant because the car was moving with uniform speed. Thus resultant will be 0.
  19. F

    Biology; Chemistry; Physics: Post your doubts here!

    Resultant Force, seemed the only possible option. NVM kinetic energy tha i think.
  20. F

    Biology; Chemistry; Physics: Post your doubts here!

    The water in Pan A is cooled for 8 minutes. It loses 9000 heat energy per minute, something like that. :P
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