How many main frontiers of fundamental science:
A. 1
B. 2
C. 3
D. 4
Unit of G is:
A. Nm2Kg2
B. Nm2Kg
C. Nm2Kg-2
D. None
One pico stands for:
A. 10 raised to power -15
B. 10 raised to power -12
C. 10 raised to power -9
D. 10 raised to power -6
Geostationary satellite completes one rotation around the earth in:
A. 3 hours
B. 6 hours
C. 12 hours
D. 24 hours
The radius of geostationary orbit from the centre of the earth is nearly:
A. 42000km
B. 36000km
C. 24000 km
D. 18000 km
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
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
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
To reduce the uncertainty in the timing experiment:
A. Highly precise instrument
B. Conduct at room temperature
C. Count number of vibration
D. Both a and C
The number of significant figures in 5.400:
A. 3
B. 5
C. 2
D. None
