PHYSICS EXPERIMENTS

discover everything from nature.....

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knowledge is power

develop scientific approach...

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learning is continuous process....

LEARNING BY DOING

combine experiments and theory....

Saturday, 28 March 2020

CONCENTRATE ON THESE.......FROM THE EXPERIMENTS......


A QUICK REVISION USING THESE QUESTIONS.....BASED ON EXPERIMENTS .....

TYPE THE ANSWER IN THE BOX 

1. WHEN CURRENT IS PASSING THROUGH THE MAGNETIC NEEDLE IS



2. MAGNETIC NEEDLE IS DEFLECTED ONLY DUE TO



3. WHEN CURRENT PASSES THROUGH A COPPER WIRE OR A CONDUCTOR IT PRODUCES



4. THE DISTANCE BETWEEN CONVERGED OR DIVERGED POINT TO SURFACE IS CALLED


5. THE LINE JOINING THE CONVERGED OR DIVERGED POINT TO PINS IS CALLED


6. WHEN ALL PINS POSITIONS ARE EXTENDED BACK OR FRONT THEY WILL MEET AT A POINT THAT POINT IS CALLED


7. WHEN WE BEND A PIECE OF RUBBER CHORD OUTWARDS THE PINS ARE ORIENTED SUCH THAT ALL PINS FROM EACH OTHER FROM A POINT OR TEND TO FROM A POINT



8. WHEN WE BEND A PIECE OF RUBBER CHORD INWARDS THE PINS ARE ORIENTED SUCH THAT ALL HEADS OF PINS OR


9. WHEN OBJECT IS PLACED VERY NEAR TO CONCAVE REFLECTING SURFACE THE IMAGE FORMED IS

10. TO GET POINT SIZE IMAGE THE OBJECT SHOULD BE PLACED INFRONT OF A CONCAVE MIRROR,

11. ON REACTING WITH SODIUM SULPHATE WITH BARIUM CHLORIDE, THE PRECIPITATE FORMED IS

12. THE END PRODUCTS FORMED AFTER REACTION BETWEEN CALCIUM OXIDE AND WATER

13. THE METAL CARBONATES AND HYDROGEN CARBONATES ON REACTING WITH ACIDS AND BASES GIVE

14. TO GET SAME SIZE IMAGE, THE OBJECT SHOULD BE PLACED INFRONT OF A CONVEX LENS IS,

15. THE FOCAL LENGTH OF A CONVEX LENS, WHEN KEPT IN WATER [INCREASE/DECREASE]

16.LEAST DISTANCE OF DISTINCT VISION AND ANGLE OF VISION OF A HEALTHY PERSON, ARE

17. THE REASON FOR SPLITTING OF WHITE LIGHT INTO SEVEN COLORS IS

18. LIGHT EMITTED BY SODIUM THIO SULPHATE WHEN REACTED WITH SULPHURIC ACID,

19. BATTERY CONVERTS

20. THE FACTORS OF RESISTANCE ARE



21. EFFECTIVE RESISTANCE WHEN RESISTORS ARE CONNECTED IN


22. WHEN A MAGNET IS BROUGHT NEAR TO THE CURRENT CARRYING CONDUCTOR THEN