Question

Q.3. Answer the following:

1. What is the damage caused by lightning?

2. Which is the innermost part of a flower? Explain its structure.

3. Explain scalar and vector quantities by giving some examples.

4. Why are houses in Rajasthan painted white?

5. What is a cloudburst?​

Answer 1

Answer:

lightning damage power eyesight

Answer 2

Answer:

Explanation:

Q1 . Common injuries caused by lightning include: muscle pains, broken bones, cardiac arrest, confusion, hearing loss, seizures, burns, behavioral changes, and ocular cataracts. Loss of consciousness is very common immediately after a strike.

Q2. Pistil is the innermost part of a flower. Style is centrally located on the pistil, while the stigma is present on the top. At the base of the pistil, a swollen structure is present which is called the ovary. The ovary comprises of small bead- like structures called ovules

Q3 Scalars are the physical quantities that have the only magnitude. The examples of scalars are electric charge, density, mass etc. Vectors are the physical quantities that have both magnitudes as well as direction. The examples of vectors are velocity, acceleration, force etc

Q4 The houses in Rajasthan are painted to reflect the sunlight or rather not to absorb the heat by the walls of the house ....so that there is no transfer of heat from outside to inside of the house and thus the temperatur inside the house is less than outside.....

Q5 oudbursts occur because the warm air current from the ground or below the clouds rushes up and carries the falling raindrops up with it. The rain fails to fall down in a steady shower. This results in excessive condensation in the clouds as new drops form and old drops are pushed back into it by the updraft.

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