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Standard X

Physics

Energy

Which among t...

Question

Which among the following sources of energy are renewable?

1,2 and 5

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1,2 and 3

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3,4 and 5

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1, 2 and 4

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Solution

The correct options are
A
1,2 and 5

B
1,2 and 3

D
1, 2 and 4

The sources of energy that gets replenished regularly are called renewable sources of energy. Solar energy, wind energy and hydel energy are renewable sources whereas fossil fuels are non-renewable.

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Similar questions

Identify Arrhenius acids and bases among the following:
$\begin{matrix} 1. N a C l & 2. H C l 3. C u {(O H)}_{2} & 4. N a O H 5. H_{2} S O_{4} & 6. H N O_{3} 7. K O H \end{matrix}$

Which of the following list of numbers forms an AP?
(i) 4, 4 + $\sqrt{3}$ , 4 + 2 $\sqrt{3}$ , 4 + 3 $\sqrt{3}$ , 4 + 4 $\sqrt{3}$

(ii) 0.3, 0.33, 0.333, 0.3333, 0.33333

(iii) $\frac{3}{5}$ , $\frac{6}{5}$ , $\frac{9}{5}$ , $\frac{12}{5}$ , 3

(iv) - $\frac{1}{5}$ , - $\frac{1}{5}$ , - $\frac{1}{5}$ , - $\frac{1}{5}$ , - $\frac{1}{5}$

Identify the homologous series among the following:

1. $C H O O H$

2. $C_{2} H_{3} O O H$

3. $C_{2} H_{6}$

4. $C_{3} H_{5} O O H$

5. Propanone

Which of the following statments are correct?

1. The coordinates of the point which divides the line segment joining the points

$(1, - 2, 3)$ and $(3, 4, - 5)$ internally in the ratio $2 : 3$ is $(- 3, - 14, 19)$ .

2. The coordinates of the point which divides the line segment joining the points

$(1, - 2, 3)$ and $(3, 4, - 5)$ externally in the ratio $2 : 3$ is $(\frac{9}{5}, \frac{2}{5}, \frac{- 1}{5})$ .

Q. Which are true statements among the following?
(1)

{P H}_{5}

and

B i {C l}_{5}

do not exist
(2)

p π - d π

bonds are present in

S O_{2}

(3) Electrons travel with speed of light
(4)

S e F_{4}

and

{C H}_{4}

has same shape
(5)

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has bent geometry

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Which among the following sources of energy are renewable?

The correct options are A 1,2 and 5 B 1,2 and 3 D 1, 2 and 4 The sources of energy that gets replenished regularly are called renewable sources of energy. Solar energy, wind energy and hydel energy are renewable sources whereas fossil fuels are non-renewable.

The correct options are
A
1,2 and 5

B
1,2 and 3

D
1, 2 and 4

The sources of energy that gets replenished regularly are called renewable sources of energy. Solar energy, wind energy and hydel energy are renewable sources whereas fossil fuels are non-renewable.