1301. A light year is the distance travel by light in vaccum in one year Which is numerically equal to :

A. 9.46 Fm
B. 9.46 Gm
C. 9.46 Pm
D. 9.46 Em *

1302. The angle subtended at the center of a circle by an arc of length 1/360 of the circumference of the circle is known as :

A. Minute
B. Second
C. Degree *
D. Radian

1303. The sum ( 10.1+20.54+30.555) cm up to correct significant figures is :

A. 61.195 cM
B. 62 CM
C. 61.2 CM *
D. 61.29 CM

1304. Which of the following relation is dimensionally correct ?

A. 5 KM=5000 s
B. 5 KM= 500 m *
C. 5 KM= 50 kg
D. 5 M= 500 S

1305. The density of the air is 1.2 kg/m3 This density in CGS system is :

A. 1.2 mg/ cm3 *
B. 1.2 g/cm3
C. 2.3 g/cm3
D. 6.4 g/cm3

1306. Absolute uncertainty is equal to the :

A. Least count of apparatus *
B. Half of least count of apparatus
C. Double of least count of apparatus
D. Depends upon systematic error

1307. The number of significant figures in the measurement x= 10.00300 cm are :

A. 7 *
B. 8
C. 5
D. 2

1308. If ” p” is the momentum of an object of mass “m” the expression p2/m gas base unit identical to :

A. Energy *
B. Force
C. Power
D. Velocity

1309. Which pairs includes a scalar quantity and a vector quantity :

A. K.E and momentum *
B. P.E and Work
C. Velocity and acceleration
D. Weight and force

1310. The percentage uncertainty in a reading 2.50m is :

A. 0.2 %
B. 0.1 %
C. 0.5 %
D. 0.4 % *