Скачать или смотреть Physics sindh board New book Chapter 1 Physics and Measurements all Numeicals SOLVED Q1,Q3,Q4,Q5,Q6,

Class: XI, 11, First Year Unit :01 Physics and Measurements Numeicals Covered:
1. What is the percent uncertainty in the measurement 3.67 ± 0.25 m?
2. What is the area, and its approximate uncertainty, of a circle with radius 3.7 x 104 cm
3. An aero plane travels at 850 km/h. How long does it take to travel 1.00 km?
4. A rectangular holding tank 25.0 m in length and 15.0 m in width is used to store water for short period of time in an industrial plant. If 2980 m3 water is pumped into the tank. What is the depth of the water?
5. Find the volume of rectangular underground water tank has storage facility of 1.9 m by 1.2 m by 0.8 m.
6. Two students derive following equations in which x refers to distance traveled, v the speed, the acceleration, and t the time and the subscript (o) means a quantity at time t=0: (a) x = vt2 + 2at and (b) x = vo t + 2at2, which of these could possibly be correct according to dimensional check?
7. One hectare is defined as 104 m2. One acre is 4 x 104 ft2. How many acres are in one hectare? (Hint: 1 m = 3.28 ft.)
8. A watch factory claims that its watches gain or lose not more than 10 seconds in a year. How accurate is this watch, express as percentage?
9. The diameter of Moon is 3480 km. What is the volume of the Moon? How many Moons would be needed to create a volume equal to that of Earth? (Hint: Radius of Earth = 6380 km)
Physics sindh board New book Chapter 1 Physics and Measurements all Numeicals SOLVED Q1,Q3,Q4,Q5,Q6