Questions

A seconds pendulum is a pendulum whose period is precisely two seconds i.e, one second for a swing in one direction and one second for the return swing.

The frequency of a sound wave is determined by the amplitude of the wave. As amplitude of the wave is high the frequency of the wave will also be high.

The Nobel Peace Prize is awarded in Oslo city in Norway while other Nobel Prizes in Physics, Chemistry, Literature, Medicine,... are awarded in Stockholm, Sweden.

All my bosses enchanted some skills worth learning. I have always used to learn something new from them along with my ex-boss.

India's Keerthana Pandian has won the girls’ title in the IBSF World Under-16 Snooker Championships.

In the final in St Petersburg, Russia, Keerthana outclassed her Belarussian rival Albina Leschuk 3-1.

Holland is also known as Netherlands, which means "Low lands". Dutch Engineers reclaimed considerable part of the seabed by building dykes and pumping out the sea water into canals. Some houses in Holland are below sea level. Belgium has also Low lands  bordering the North Sea and dykes are constructed to control the encroachment of the sea.

The nutrients that provide energy are carbohydrates, proteins and vitamins. The other three nutrients--vitamins, minerals, and water do not provide energy.