For the following questions answer them individually
The refractive indices of Kerosene, Turpentine and water are 1.44, 1.47 and 1.33 respectively. Light will have maximum speed in:
A man stands on a tower and sees two hill peaks one in the north east and one in the north west. Both peaks are at the same distance from the tower. He climbs the top of the peak in the North East and looks at the other peak. Which direction does he look to do so:
Answer the following question on the basis of the information given below.
i.Trains A and B are travelling on the same route heading towards the same destination. Train B has already covered a distance of 220 km before the train ‘A’ started.
ii. The two trains meet each other after 11 hours after start of train ‘A’
iii. Had the trains been travelling towards each other(from a distance of 220 km) they would have met after one hour.
What is the speed of trains ‘B’ in kmph: