Question

1.
SECTION A
A brick stands on a box having 60cm length, 40 cm breadth and
having 60cm length, 40cm breadth and 20cm width Pressure
exerted by the brick will be:
(a)Maximum when length and breadth form the base
(b)Maximum when breadth and width form the base
(c)Maximum when width and length form the base
(d) The same in all the above three cases
A boat of 8 metre and 40 metre long floats on water. If 125000 N of car is added
sink
(a)10cm (b) 4 cm
(c)15 cm (d) 20 cm
Assertion: when we hit ball on the ground, after striking the surface ball comes back
Reason: Every action has its equal and opposite reaction..
(aj both assertion and reason are true and reason is the correct explanation of asset
(b) if both assertion and reason are true but reason is not the correct explanation of
assertion
(c) if assertion is true but reason is false
(d) if assertion is false but reason is true
Which quantity measures the effect of a surface on a surface?
Observe the picture and answer the following questions:
(a) Which force is acting in upward direction on the floating body?
(b) Which force is acting in downward direction on the floating body?
(c) Define the force acting in upward direction in the given picture.
6.
Which of the following statement is always correct?
(a) An atom has equal number of electrons and protons.
(b) An atom has equal number of electrons and neutrons.
(c) An atom has equal number of protons and neutrons.
(d)An atom has equal number of electrons, protons and neutrons.
Which of the following is a wrong Combination?
(a) 6.022 * 1023 molecules of oxygen = 32g of oxygen
(b) 6.022 * 1023 ions of sodium = 23g of sodium
(c) 6.022* 1023atoms of C = 24g of carbon
(d) 6.022 * 1023 atoms of H = 1g of hydrogen atoms
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Answer 1

Answer:

option (c) I hope your problem is solved plz give response with thanked and mark as brainliest