Question

3. Convert 300 Kelvin to Celsius.
1. What is tyndal effect?
2. What is the S.I unit of momentum?
3. Explain why some of the leaves may get detached from a tree if we vigorously shake its bran
4. (a) state the first law of motion.
(b) What is inertia? How it is related to mass?
5. A solution contains 40 g of common salt in 320 g of water. Calculate the concentration in ter
g
mass percentage of the solution.
5. For any substance, why does the temperature remain constant during the change of state?
7. How does the water kept in an earthen pot (matka) become cool during summer?
3. Why does we fall forward when sudden brakes applied in a moving vehicle?
2. Differentiate between Solid, liquid and gas in tabular form on the basis of following properti
a) intermolecular space b) intermolecular force of attraction
c) diffusion
d) compressibility
e) fluidity
(a) state the Newton's 2nd law of motion and deduce the ay​

Answer 1

Answer:

300k=26.85 celcius

Explanation:

all others will be found by reading diffusion chapter in 12 board haryana and newton laws board 11 ICSE

Answer 2

Answer:1)Tydanll effect is also called Tydanll phenomenon, scattering of beam light by a medium containing small suspended particle2)S.I Unit of momentum is Kg.meters per second

Explanation:Sorry I tried my best to answer it

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