Related Questions

If a copper disc is rotated rapidly below a freely suspended magnetic needle, the magnetic needle shall start rotating with a velocity
A less than that of disc but in opposite direction
B equal to that of disc and in the same direction
C equal to that of disc and in the opposite direction
D less than that of disc and in the same direction
In which direction does a magnetic compass needle always point?
A North
B South
C East
D west
The length of a rectangular field F is 3 km greater than the side of a square field M , and the width of field F is 3 km less then the side of field M. If the area of field M is m2 square km, what is the area of field F?
A m2 +6
B 6
C m2 - 6
D m2 +9
Fill in the gaps : Physical laws do not, of course, in themselves force bodies to behave in a certain way but merely ------how they behave.
A describe
B preclude
C counteract
D determine
It is immoral to blame people for what they do because they behave as they are conditioned to behave and have no choice in the matter. Blaming them will never change their behavior. In the statement above, the author undercuts his own argument by
A adopting dubious psychological theory
B undermining morality
C attacking human freedom
D arguing emotionally
The length of the needle beam used in needle beam method of tunnelling is usually
A 2 m to 4 m
B 2.5 m to 6 m
C 4 m to 7 m
D 5 m to 6 m
The prismatic compass and surveyor’s compass
A give whole circle bearing (WCB) of a line and quadrantal bearing (QB) of a line respectively
B both give QB of a line and WCB of a line
C both give QB of a line
D both give WCB of a line
A farmer has two rectangular fields. The larger field has twice the length and four times the width of the smaller field. If the smaller field has area K, then the area of the largest field is greater than the area of the smaller field by what amount?
A 4K
B 6K
C 7K
D 8K
A farmer has two rectangular fields. The larger field has twice the length and four times the width of the smaller field. If the smaller field has area K, then the area of the larger field is greater than the area of the smaller field by what amount ?
A 2K
B 5 K
C 6K
D 7K
A farmer has two rectangular fields. The larger has twice the length and four times the width of the smaller field. If the smaller field has area k, then the area of the larger field is greater than the area of the smaller field by what amount?
A 2k
B 6k
C 7k
D 8k

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