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# Solution - In a Submarine Equipped with a Sonar the Time Delay Between Generation of a Probe Wave and the Reception of Its Echo After Reflection from an Enemy Submarine is Found to Be 77.0 S. What is the Distance of the Enemy Submarine - Significant Figures

ConceptSignificant Figures

#### Question

A SONAR (sound navigation and ranging) uses ultrasonic waves to detect and locate objects under water. In a submarine equipped with a SONAR the time delay between generation of a probe wave and the reception of its echo after reflection from an enemy submarine is found to be 77.0 s. What is the distance of the enemy submarine? (Speed of sound in water = 1450 m s–1).

#### Solution

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#### APPEARS IN

NCERT Physics Textbook for Class 11 Part 1
Chapter 2: Units and Measurements
Q: 30 | Page no. 38

#### Reference Material

Solution for question: In a Submarine Equipped with a Sonar the Time Delay Between Generation of a Probe Wave and the Reception of Its Echo After Reflection from an Enemy Submarine is Found to Be 77.0 S. What is the Distance of the Enemy Submarine concept: Significant Figures. For the courses CBSE (Arts), CBSE (Commerce), CBSE (Science)
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