The diameter of a thin wire can be calculated by using which one of the following expressions?
P.S.R + (H.S.C x LC) + Z.C
P.S.R + ( H.S.C x LC ) - Z.C
P.S.R + ( H.S.C x LC ) χ Z.C
P.S.R + ( H.S.C x L.C) ± Z.C
To take measurement using a screw gauge, we have to determine
Pitch
Least count
Zero error
All the above
Screw gauge works under the principle of
The screw
The vernier caliper
Newton's law
Pascal's law
In a Screw gauge, the head of the sleeve is divided into small divisions called
Head scale
Pitch scale
Safety device
Hallow cylindrical tube
1 light light year is equal to
9.467 x 1015 m
9.467x1015 cm
9.467 x 1015 Km
9.467 x 1015 mm
In a Screw Gauge the hallow cylindrical tube is graduated in millimeter called
U shaped frame
Screw Gauge is used to measure the dimensions of very small objects upto
1 cm
0.1 cm
0.01 cm
0.001 cm
The distance travelled by light in one year in vacuum is called
Kilometer
Light year
Astronomical distance
Altimeter
The mean distance of the centre of the sun from the centre of the earth is called
Light gear
Which of the following are / is the zero error/errors of a screw gauge?
No zero error
Positive zero error
Negative zero error