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Hydra can be...

Hydra can be

A

Increase in the focal lengthh of eye lens

B

Shortening of eye ball

C

Small eye

D

Elongation of eye ball

Text Solution

Verified by Experts

The correct Answer is:
D
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KCET PREVIOUS YEAR PAPERS-MODEL TEST PAPER 5-Physics
  1. A boy on a cycle pedals around a circle of 20 metres radius at a spe...

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  2. The translational kinetic energy of gas molecules for one mole of the ...

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  3. Hydra can be

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  4. The acceleration due to gravity g and mean density of earth rho are re...

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  5. The angular speed of a fly wheel making 120 revolutions / minute is

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  6. A block rests on a rough inclined plane making an angle of 30 ^@ with...

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  7. The mass of ship is 2 xx 10^7 kg. On applying a force of 25xx10^5 N, i...

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  8. A convex lens of focal length f is put in contact with a concave lens ...

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  9. Stationary waves are setup in an air column. Velocity of sound in air ...

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  10. Frequency of audible sound waves ranges between 20 Hz and 20 KHz. If t...

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  11. What is responsible for the blue colour of the solution of alkali meta...

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  12. A stationary point source of sound emits sound uniformly in all direct...

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  13. A train blowing its whistle moves with a constant velocity v away from...

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  14. A plane wave is described by the equation y = 3 cos (x/7 - 10 t - pi/6...

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  15. A source of sound S is moving with a velocity 50 m/s towards a station...

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  16. If velocity of sound waves of 300 Hz frequency is v m/sec, then the ve...

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  17. Find the number of beats produced per sec by the vibrations x1=A sin (...

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  18. What are photodiodes used for ?

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  19. To observe diffraction, the size of the obstacle

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  20. If two light waves having same frequency have intensity ratio 4:1 and ...

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