11th class Physics unit 1 MCQs
chapter 1 MCQs 11th Class Physics
Measurements:
1. Silicon is obtained from:
a. Wood
b. Water
c. Sand
d. Metals
2. A computer chips are made of:
a. Iron
b. Silicon
c. Cadmium
d. Germanium
3. An example of base quantity is:
a. Length
b. Area
c. Velocity
d. Volume
4. Which is base quantity?
a. Power
b. Time
c. Velocity
d. Force
5. A light year is the:
a. Distance
b. Speed
c. Time
d. Distance light travel in one year
6. SI unit of intensity of light is:
a. Candela
b. Ampere
c. Joule
d. Mole
7. Candela is the SI unit of:
a. Power
b. Change
c. Refractive index
d. Luminous intensity
8. Which is the base quantity?
a. Force
b. Charge
c. Electric current
d. Area
9. In colour printing the whole range of colours can be obtained by mixing:
a. Five colours
b. Three colours
c. Seven colours
d. Four colours
10. Error in the measurement of radius of sphere is 1%. The error in the calculated value of its volume is:
a. 3%
b. 7%
c. 1%
d. 5%
11. Light year is a unit of:
a. Velocity
b. Light
c. Distance
d. Time
12. A light year is the distance, light travels in one year. How many meters are there in one light year?
a. 9.5 x 1015 cm
b. 9.5 x 10-15m
c. 9.5 x 1015Km
d. 9.5 x 1015m
13. Which of the following is a derived quantity?
a. Length
b. Mass
c. Time
d. Velocity
14. Solid angle is:
a. Three dimensional
b. One dimensional
c. Four dimensional
d. Two dimensional
15. ……… is derived unit of:
a. Candela
b. Newton
c. Kelvin
d. Ampere
16. Kgm-1S-1 is the unit of:
a. Pressure
b. Force
c. Momentum
d. Work
17. Solid angle subtended at the centre by sphere is:
a. 6π
b. 2π
c. 8π
d. 4π
18. ……… is not a derived unit:
a. Coulomb
b. Newton
c. Ampere
d. Joule
19. SI unit of plane angle is:
a. Steradiam
b. Radian
c. Revolution
d. Degree
20. A student is calculating the area of a sheet shoes lengthy and width are27.9cm and 21.6cm respectively. The correct answer will be:
a. 602 cm2
b. 602.64cm2
c. 603 cm2
d. 602.6 cm2
21. The SI unit of solid angle is:
a. Degree
b. Steradian
c. Revolution
d. Radian
22. Which is not base unit in SI units?
a. Ampere
b. Kilogram
c. Kelvin
d. Joule
23. The ratio of 1 nanometer to 1 attometer is:
a. 10-9
b. 109
c. 10-8
d. 108
24. 1 Giga is equal to:
a. 109
b. 103
c. 1012
d. 106
25. One peta is equal to:
a. 1012
b. 1016
c. 109
d. 1015