MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
Earn 100

How many times the escape velocity of anybody on the earth's surface is equal to the orbital velocity of the same body about the earth's orbit?

100% studentsanswered this correctly

Important Questions on Physics

MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
Lucent's General Science>Chapter 1 - Physics>Objective Questions>Q 252
If a body is revolving around the earth's orbit with its usual velocity then the minimum energy required to let it escape from the orbit would be :
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
Lucent's General Science>Chapter 1 - Physics>Objective Questions>Q 253
Newton's formula for the speed of sound was found to be wrong because of the consideration about the propagation of sound as :
HARD
UPSC CAPF AC Paper - I
IMPORTANT
Lucent's General Science>Chapter 1 - Physics>Objective Questions>Q 254
Laplace made a correction in the basic formula of velocity of sound given by Newton and evaluated the correct value by considering that sound propagation is :
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
Lucent's General Science>Chapter 1 - Physics>Objective Questions>Q 255
In the formation of a stationary wave which one of the following process does not occur:
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
Lucent's General Science>Chapter 1 - Physics>Objective Questions>Q 256
Which one of the following is true about the stationary wave :
HARD
UPSC CAPF AC Paper - I
IMPORTANT
Lucent's General Science>Chapter 1 - Physics>Objective Questions>Q 257
Open organ pipes (air columns) are sweater than closed organ pipes because :
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
Lucent's General Science>Chapter 1 - Physics>Objective Questions>Q 258
Which of the following effect is also called Edison effect:
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
Lucent's General Science>Chapter 1 - Physics>Objective Questions>Q 259
In a bipolar junction transistor: