1. . The fundamental S.I. unit of temperature is:
(A) Centigrade
(B) Fahrenheit
(C) Kelvin
(D) Joule
2. . The fundamental unit of length in C.G.S. system is:
(A) Foot
(B) Centimeter
(C) Mile
(D) Meter
3. . 1 pound is equal to:
(A) 4.45 N
(B) 105 N
(C) 2.54 N
(D) 100 N
4. . One inch is equal to:
(A) 2.54 cm
(B) 2.45 cm
(C) 0.9 cm
(D) 12 cm
5. . 1 N is equal to:
(A) 10⁵ dynes
(B) 10³ dynes
(C) 10⁷ dynes
(D) 4.45 dynes
6. . 1 milligram is equal to:
(A) 10³ gram
(B) 10⁶ gram
(C) 10⁻⁶ gram
(D) 10⁻³ gram
7. . 1 meter is equal to:
(A) 10³ mm
(B) 10⁶ mm
(C) 10⁻⁶ mm
(D) 10⁻³ mm
8. . Fundamental S.I. units are:
(A) 3
(B) 7
(C) 4
(D) 5
9. . Unit of current is:
(A) Ampere
(B) Kelvin
(C) Newton
(D) Joule
10. . S.I unit of plane angle is:
(A) Centigrade
(B) Degree
(C) Radian
(D) Steradian
11. . The dimension of momentum is:
(A) M L T⁻¹
(B) M L T⁻²
(C) M L² T⁻¹
(D) M L³
12. . The dimension of force is:
(A) M L T⁻¹
(B) M L T⁻²
(C) M L² T⁻¹
(D) M L³
13. . The number of significant figures in 2.80 × 10⁵ are:
(A) 3
(B) 2
(C) 1
(D) 5