Questions

The green house effect. The waves of smaller wavelength from the sun enter inside the car through the glass windows and are absorbed. The waves of larger wavelength emitted from inside cannot get out through the glass, but remain inside and make it terribly hot.

Market regulation system was introduced by Ala-ud-Din Khilji. He was the second and the most powerful ruler of the Khalji dynasty that ruled the Delhi Sultanate in the Indian subcontinent. 

There were only three people. Son, his father and his grandfather.

Veteran Bengali actor Soumitra Chatterjee has been selected for France’s highest civilian award “Legion of Honour” for his outstanding contribution to cinema and theatre. With this, Chatterjee has become the first Bengali actor to be chosen for the award. The honour comes almost 3 decades after the same recognition was conferred on master director Satyajit Ray in 1987. Chatterjee has acted in several of Ray’s films including ‘Apur Sansar’, ‘Debi’,’ Aranyer Din Ratri’, ‘Ghare Bairey’ and ‘Ganashatru’. Earlier recipients of the Legion of Honour include sitar meastro Pandit Ravi Shankar, Amitabh Bachaan, Shahrukh Khan and Kamal Hasan. Chatterjee was awarded the Dadasaheb Phalke Award in 2012.

Now a days, printers we are using are called as laser printers. The speed of a laser printer is measured in PPM i.e, Pages Per Minute. 

Laser printing is an electrostatic digital printing process. It produces high-quality text and graphics by repeatedly passing a laser beam back and forth over a negatively charged cylinder called a "drum" to define a differentially charged image.

Compared to inkjet printers which use ink for printing laser printers are more expensive as they use toner which lasts for long.

Doing more work in less time, results in an increase in power to do a work.