high school science reading

Graphs can be easily read at a glance.Plotting graphs takes less time and is more convenien..

Couple two spring balances A and B as shown in the figure. When we pull the balance B both the balances show the same reading indicating that both the action and reaction forces are equal and opposit..

>Note the reading on the spring balance. Let it be W 1 . Now, slowly dip the stone in the water in a container and note the reading on the spring balance. The reading shown on the spring balance goes on decreasing until it is completely immersed in water. The read..

Buffaloes are reared in large numbers in India. There are more than ten different breeds of buffaloes in India. Of them, the high milk yielding breeds a..

Man is a highly evolved vertebrate and so the excretory organs are well develope..

It is a highly coiled and narrow region measuring about 3.6m in lengt..

Question: A long-sighted person cannot see objects nearer to his eye than 50 cm. To enable him to read a book 25 cm away, he should use spectacle lenses whose power in dioptres is ____. 1. -6 2. -4 3. -2 4. + 4 Answer: ..

Although there are more than hundred elements around us we do not find these elements in their native form in nature. This is because most of these elements are highly reactiv..

Take a nichrome wire of about 50 cm length and apply a potential difference of 1.5 V from a battery. Measure the current flowing through the wire using an ammeter connected to it in series, and note the potential difference across the resistance using a voltmeter connected across it. Note down and..

Presbyopia - Presbyopia is caused when the centre of the eye lens hardens making it unable to accommodate near vision. This condition generally affects almost everyone over the age of 50 - even those with myopia. Eyeglasses with bifocal or progressive lenses are prescribed to correct or improve the..