_Physics - Pract - Answers

*_Phy - Pract - Answers_*

1axi)
- *_Precautions_* -
Take Any Two

i ) I avoided conical oscillation

ii) I avoided drought

iii ) I avoided parallax error in taking reading from the metre rule

iv ) I avoided zero error in taking reading from the stop watch

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2aix)

*_PRECAUTIONS_*
I)  experiment must be carried out in a dark room

II)  lens, screen and object must be in line

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3aix)
- *precautions*-
take any two
i ) I removed key when reading is not taking
ii) I ensured tight connections at the terminals
iii ) I avoided parallax error when taking reading from the ammeter .