mediumFPSCNTSCSSPPSCPhysics
Answer explanation
Explanation included
Practice quiz ready
Continue practising this MCQ topic
Use these links to review the full topic, start a timed quiz, or open the exam hub connected with this question.
Related Physics MCQs
View all1The echo (reflected sounD. will be distinctly heard only at ordinary temperatures if the distance of the reflecting surfaces from the source of sound is at least ________?2The principle used in radar is the same as that of Sonar. In radar we use radio waves ; whereas in sonar we use ?3The cracking sound heard when dry hair is combed with a hard rubber comb is due to_________?4The approximate intensity level of the sound which can cause damage to the ear drum is?5The waves which are used for line of sight (LOS) communication are called:6The Largest Producer of Electricity in the Islamic World is______________________?
Answer and explanation
Correct Answer: C: 7 miles per sec
Explanation: The correct answer is C: 7 miles per sec. A body can escape Earth's gravitational pull if thrown up with a velocity of 7 miles per second (approximately 11.2 km/s). This is called Earth's escape velocity.
Continue practice
More Physics MCQs with answers
Use these links to review related questions, practise the full topic, or open the exam preparation pages connected with this MCQ.
Related questions
- The echo (reflected sounD. will be distinctly heard only at ordinary temperatures if the distance of the reflecting surfaces from the source of sound is at least ________?
- The principle used in radar is the same as that of Sonar. In radar we use radio waves ; whereas in sonar we use ?
- The cracking sound heard when dry hair is combed with a hard rubber comb is due to_________?
- The approximate intensity level of the sound which can cause damage to the ear drum is?
- The waves which are used for line of sight (LOS) communication are called:
- The Largest Producer of Electricity in the Islamic World is______________________?