Question
Increase in the focal length of eye lens and Stiffening
of ciliary muscles is caused bySolution
A person suffering from hypermetropia can see the distant objects clearly but not the near object. Myopia is a condition in which close objects appear clearly, but far ones don't . Presbyopia is the loss of eyes ability to focus on nearby objects. It makes loss of vision gradually. Astigmatism is an imperfection in the eye's curvature and its common symptom is blurry vision.
1440 metres long train crosses a man who is moving in the same direction with a certain speed in 30 seconds. If the same train can cross a pole in 24 se...
A train moves at 90 km/h to arrive at its station on time. If it moves at 100 km/h, it will arrive 15 minutes earlier. Find the t...
A train crosses a pole and a platform of length 576 metres in 12 seconds and 30 seconds, respectively. Find the length of train.
A 300 m train crosses a platform in 24 s and a man standing on it in 18 s. Find the platform’s length.
Speeds of train 'A' and train 'B' are in the ratio 4:5, respectively. Train 'B' can completely overtake train 'A' in 180 seconds. If lengths of train 'A...
Train X, traveling at a speed of 54 km/hr, crosses another train Y, which is moving in the opposite direction at a speed of 90 km/hr, in 't' seconds. If...
- Train ‘M’ and train ‘N’ depart from stations ‘A’ and ‘B’ respectively, heading towards each other at the same moment. After 10 hours, they ...
Train ‘A’ can cross a pole in 6 seconds and a 120 metre long platform in 12 seconds. If the ratio of length of train ‘A’ and train ‘B’ is 2:...
A train 450 metre long takes 60 sec to cross a man running at a speed of 7 km/hr in the direction opposite to that of train. What is the speed of the tr...
- Train 'R' can cross a pole in 6 seconds and a 240 metres long bridge in 10 seconds. Train 'S' whose length is 75% of the length of train 'R' runs in the sa...