National Science day

Define Vector

• Has only Direction

• Has only Magnitude

• Has Direction and magnitude

• has magnitude nor directin

In which year was the first National Science Day celebrated in India?

• 1971

• 1975

• 1985

• 1995

The Indian Space Research Organisation (ISRO) was established in which year?

• 1950

• 1960

• 1970

• 1980

define scalar?

• has direction

• has direction and magnitude

• has only magnitude

• either direction nor magnitude

Who among the following was the first Indian to receive a Nobel Prize in Chemistry?

• C.V. Raman

• Venkatraman Ramakrishnan

• Homi J. Bhabha

• Har Gobind Khorana

formula for momentum p?

• =m/v

• =mv²

• =mv

• =m²v

Who among the following is known for discovering the double-helix structure of DNA?

• James Watson and Francis Crick

• Francis Crick

• Rosalind Franklin

• Maurice Wilkins

What are sounds below 20 Hz known as?

• ultrasonic

• infrasonic

• audible range

• none of the above

1. What type of electromagnetic radiation has the lowest frequency?

• Radio waves

• visible

• micro waves

• infrared rays

What type of energy can be calculated using the formula U=mgh?

• Kinetic energy

• sound energy

• heat energy

• gravitational potential energy