Select the Correct Alternative a Boy Goes from His House to School by Bus at a Speed of 20 Km H_1 and Returns Back Through the Same Route at a Speed of 30 Km H_1. the Average Speed of His Journey Is. - Physics

MCQ

Select the correct alternative

A boy goes from his house to school by bus at a speed of 20 km h_1 and returns back through the same route at a speed of 30 km h_1. The average speed of his journey is.

Options

24kmh1
25 km h1
30 km h1
20 km h1

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Solution

24kmh1

Concept: Uniform Motion and Non-uniform Motion

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Chapter 2: Motion - Objective Questions

Q 4.6 Q 4.5 Q 4.7

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Selina Concise Physics Class 7 ICSE

Chapter 2 Motion
Objective Questions | Q 4.6

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Select the Correct Alternative a Boy Goes from His House to School by Bus at a Speed of 20 Km H_1 and Returns Back Through the Same Route at a Speed of 30 Km H_1. the Average Speed of His Journey Is. - Physics

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