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6. A contractor estimates that 3 persons could rewire Jasminder’s house in 4 days. If, he uses 4 persons instead of three, how long should they take to complete the job?
12
Oct
6. A contractor estimates that 3 persons could rewire Jasminder’s house in 4 days. If, he uses 4 persons instead of three, how long should they take to complete the job? 6. A contractor estimates that 3 persons could rewire Jasminder’s house in 4 days. If he uses 4 persons instead of three how long [...]
5. A farmer has enough food to feed 20 animals in his cattle for 6 days. How long would the food last if there were 10 more animals in his cattle?
12
Oct
5. A farmer has enough food to feed 20 animals in his cattle for 6 days. How long would the food last if there were 10 more animals in his cattle? 5. A farmer has enough food to feed 20 animals in his cattle for 6 days. How long would the food last if there [...]
4. If a box of sweets is divided among 24 children, they will get 5 sweets each. How many would each get, if the number of the children is reduced by 4?
12
Oct
4. If a box of sweets is divided among 24 children, they will get 5 sweets each. How many would each get, if the number of the children is reduced by 4? 4. If a box of sweets is divided among 24 children if the number of the children is reduced by 4? they will [...]
Assuming human pupil to have a radius of 0.25 cm and a comfortable viewing distance of 25 cm, the minimum separation between two objects that human eye can resolve at 500
12
Oct
Assuming human pupil to have a radius of 0.25 cm and a comfortable viewing distance of 25 cm, the minimum separation between two objects that human eye can resolve at 500 Assuming human pupil to have a radius of 0.25 cm and a comfortable viewing distance of 25 cm the minimum separation between two objects [...]
2. In a Television game show, the prize money of Rs.1,00,000 is to be divided equally amongst the winners. Complete the following table and find whether the prize money given to an individual winner is directly or inversely proportional to the number of winners:
12
Oct
2. In a Television game show, the prize money of Rs.1,00,000 is to be divided equally amongst the winners. Complete the following table and find whether the prize money given to an individual winner is directly or inversely proportional to the number of winners: 00 2. In a Television game show 7. Suppose 2 kg [...]
10. A loaded truck travels 14 km in 25 minutes. If the speed remains the same, how far can it travel in 5 hours?
12
Oct
10. A loaded truck travels 14 km in 25 minutes. If the speed remains the same, how far can it travel in 5 hours? 10. A loaded truck travels 14 km in 25 minutes. If the speed remains the same how far can it travel in 5 hours? October 12, 2020 Category: Chapter 13 - [...]
Two beams, A and B, of plane polarized light with mutually perpendicular planes of polarization are seen through a polaroid. From the position when the beam A has maximum intensity
12
Oct
Two beams, A and B, of plane polarized light with mutually perpendicular planes of polarization are seen through a polaroid. From the position when the beam A has maximum intensity A and B of plane polarized light with mutually perpendicular planes of polarization are seen through a polaroid. From the position when the beam A [...]
A beam of unpolarised light of intensity I0 is passed through a polaroid A and then through another polaroid B which is oriented so that its principal plane makes an angle of 45
12
Oct
A beam of unpolarised light of intensity I0 is passed through a polaroid A and then through another polaroid B which is oriented so that its principal plane makes an angle of 45 A beam of unpolarised light of intensity I0 is passed through a polaroid A and then through another polaroid B which is [...]
Unpolarized light of intensity 32 W/m^2 passes through three polarizers such that transmission axes of the first and second polarizer makes an angle 30 with each other and the
12
Oct
Unpolarized light of intensity 32 W/m^2 passes through three polarizers such that transmission axes of the first and second polarizer makes an angle 30 with each other and the Unpolarized light of intensity 32 W/m^2 passes through three polarizers such that transmission axes of the first and second polarizer makes an angle 30 with each [...]
A beam of plane polarized light falls normally on a polarizer of cross-sectional area 3 * 10^-4 m^2. Flux of energy of incident ray in 10^-3 W. The polarizer rotates with an angular
12
Oct
A beam of plane polarized light falls normally on a polarizer of cross-sectional area 3 * 10^-4 m^2. Flux of energy of incident ray in 10^-3 W. The polarizer rotates with an angular A beam of plane polarized light falls normally on a polarizer of cross-sectional area 3 * 10^-4 m^2. Flux of energy of [...]