The period of a circular motion is given by_______________?
A. T = πv
B. T = πw
C. T = 2πr
D. T = 2πr/v
Physics Mcqs
One radian is equal to______________?
One radian is equal to______________?
A. 67.3°
B. 57.3°
C. 87.3°
D. 60°
According to Einstein, the gravitational interaction is possible between_______________?
According to Einstein, the gravitational interaction is possible between_______________?
A. material objects only
B. material objects and electromagnetic radiation only
C. electromagnetic radiations
D. none of the above
The radius of geostationary orbit from the centre of the earth is nearly______________?
The radius of geostationary orbit from the centre of the earth is nearly______________?
A. 42000km
B. 36000km
C. 24000 km
D. 18000 km
Geostationary satellite completes one rotation around the earth in_______________?
Geostationary satellite completes one rotation around the earth in_______________?
A. 3 hours
B. 6 hours
C. 12 hours
D. 24 hours
The critical speed of an artificial satellite is_______________?
The critical speed of an artificial satellite is_______________?
A. 8 Kms-1
B. 8.1 Kms-1
C. 7.9 Kms-1
D. 8 ms-1
A hoop and disc have same mass and radius. Their rotational K.E are related by an equation______________?
A hoop and disc have same mass and radius. Their rotational K.E are related by an equation______________?
A. K.E hoop = K.E disc
B. K.E hoop = 2K.E disc
C. K.E hoop = 1/2K.E disc
D. K.E hoop = 4K.E disc
The rotational K.E of the hoop is equal to the______________?
The rotational K.E of the hoop is equal to the______________?
A. its translational K.E
B. half than its translational K.E
C. double than its translational K.E
D. four times than its translational K.E
Which of the following is not a correct representation method for prefixes______________?
Which of the following is not a correct representation method for prefixes______________?
A. 1mm
B. 10km
C. 1000um
D. Both A and B
The number 76.85 is rounded off up to two significant figures as_____________?
The number 76.85 is rounded off up to two significant figures as_____________?
A. 76.8
B. 77
C. 76.9
D. None of these