School Gross annual Day Welcome Speech

 School Twelve-monthly Day Pleasant Speech Composition

GROSS ANNUAL EXAMINATION – 2010

PHYSICS; CLASS - VII

BRAND: _________________________Date: 26 – 02 – 12 (1st sit) Roll. No . ___________F. M: 75

SECTION A (Answer all questions)

QUESTION - 1 . Fill in the blanks. (5)

i) Making one complete round of a circular way of radius r, the internet displacement can be ___________________. ii) If a body is dropped by a certain elevation, its velocity increases because of __________. iii) The pressure of friction is always equal and contrary to ____________ iv) A great _______________ barometer has no liquids in this. v) If we fill a can having two gaps at different heights with water, the water will movement out which has a greater push from the _________ hole. vi) When the beam of light would not reach an object physically the is a __________ image.

QUERY - 2State whether the following statements happen to be True or False. (5)

i) The device of frequency is one particular / second.

ii) We fill an increase in pressure upon us even as we go up in hill. iii) The moon is a normal source of mild.

iv) The image produced by a aircraft mirror can be easily received on a screen. v) If the height from the liquid column in a tall jar is usually doubled, the pressure at the bottom also gets doubled. QUESTION - 3Answer the following inquiries. (2 by 8)

i) Differentiate between noise and musical audio.

ii) Describe multiple reflections.

iii) Publish two several uses of concave and convex mirror. iv) Publish two applying atmospheric pressure.

v) Explain homogeneous motion. What happens to the speeding when a body travels in uniform movement? vi) Publish different methods in which Long term magnets could be made. vii) Define 1 bar?

viii) What is designed by the focal length of a lens?

QUESTION - 4Answer in one word. (4)

i) Surroundings exerts even more pressure in which direction?

ii) To convert oF to oC we use...

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