Question

There is no overall choice.
A student has to ottempt only one of the altern
wil wherever necessary, neat and properly labeled diagrams should be drawn.
М.
SECTION A
Questions
1
1
O No
1.
2.
Give one example where force changes the shape of an object.
The characteristics of the image formed by a plane mirror
a) It is virtual
b) It is erect
c) It is of same size as the object
d) All of the above
What is the use of lubricants?
Which metal is plated on handle bars of cycles and rim of wheels?
a) Aluminium
1
3.
4.
1
1
6
1
7
1
b) Iron
c) Chromium
d) Copper
State the First law of Reflection.
Why does a matchstick catch fire when rubbed on the rough surface of the box? 1
Damaged seeds would
on top of water.
Microorganisms can be seen with the help of a
Yeast is used in the production of
a) Sugar
b) alcohol
c) hydrochloric acid
d) oxygen
Mark the statement true or false.
9
1
10​

Answer 1

Answer:

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Explanation:

dtidyodtidyofyodyodupf I don't know the answer sorry