Which of the following statements is true when we see ‘rainbow’ ...? Mcqs

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Which of the following statements is true when we see ‘rainbow’ ...?

(A) We face sun and raindrops
(B) The Sun remains behind us and we face raindrops

(C) In light rainfall, we face Sun
(D) The sky remains clear and the sun is at lower position in the sky

✅ Correct Answer: The Sun remains behind us and we face raindrops

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Source: This question is taken from the Everyday Science

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Which statement is true for limiting frictional force...?

(A) It is greater than rolling friction
(B) It is greater than sliding friction

(C) It is greater than kinetic friction
(D) All are true

✅ Correct Answer: All are true

Comments

Source: This question is taken from the Everyday Science

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Which of the following statements is true about escape velocity...?

(A) Escape velocity is independent of the mass of the planet
(B) Escape velocity is independent of the mass of the escaping object

(C) Escape velocity decreases with an increase in the radius of the planet
(D) Escape velocity depends on the shape of the planet

✅ Correct Answer: Escape velocity is independent of the mass of the escaping object

Comments

Source: This question is taken from the Everyday Science

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Which of the statements to about the Troposphere is not true...?

(A) It contains 85-90% of the atmosphere’s mass
(B) It contains nearly all the water and oxygen of the atmosphere

(C) It is the zone which exhibits changes in condition of weather
(D) It is about 350 km thick

✅ Correct Answer: It is about 350 km thick

Comments

Source: This question is taken from the Everyday Science

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Which one of the following statements is false about dynamic equilibrium...?

(A) It takes place in a close container
(B) Concentration of reactant and products are not changed

(C) Rate of forward reaction is equal to rate of reverse reaction
(D) Equilibrium cannot be disturbed by any external stress

✅ Correct Answer: Equilibrium cannot be disturbed by any external stress

Comments

Source: This question is taken from the Everyday Science

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Which statement is true about the magnetic poles...?

(A) Unlike poles repel
(B) Like poles attract

(C) Magnetic poles do not effect each other
(D) A single magnetic pole does not exist

✅ Correct Answer: A single magnetic pole does not exist

Comments

Source: This question is taken from the Everyday Science

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Rain drops fall from great height Which among the following statements is true regarding it...?

(A) they fall with that ultimate velocity, which are different for different droplets
(B) they fall with same ultimate velocity

(C) their velocity increases and they fall with different velocity on the earth
(D) their velocity increases and they fall with same velocity on the earth

✅ Correct Answer: they fall with that ultimate velocity, which are different for different droplets

Comments

Source: This question is taken from the Everyday Science

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