Question

Write the correct option:
1. Which of the following is not made of matter?
(i) Tree (ii) Horse
(iv) Light
2. Which of the following represents the magnitude of a
temperature correctly?
(i) 10K (ii) 10KS
(iii) 10 Kelvins
(iv) 10K
3. Which of the following is a time interval?
(i) The time when you wake up.
(ii) The time you take for your bath
(iii) The time when school gets over.
(iv) The time when you go to bed.
4. Which of the following is the least?
(i) Static friction (ii) Rolling friction
(iii) Kinetic friction (iv) Sliding friction
5. Which of the following increases friction?
(i) Lubricant
(ii) Treads on a tyre
(iii) Streamlining (iv) Polishing
6. Water and ice co-exist at:
(i) 100°C
(ii) 50°C
(iii) 0°C (iv) 70°C
7. The magnitude of a physical quantity consists of:
(i) a number and a unit
(ii) a unit
(ii) a number
(iv) a unit and its symbol
8. In nature water exists in
(i) One state
(ii) Two states
(iii) Three states
(iv) Four states
​

Answer 1

Answer:

1.1

2.4

3.2

4.1

5.2

6.1

7.3

8.2

Answer 2

Explanation:

1) light

6) 4degree celsius

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