Which of the following invented Algebra?
Milind Panho is a
The longest among the following dams is
Which of the following is not a hormone?
Insulin, Adrenaline and Thyroxin are hormones but Haemoglobin is a protein consisting of Haem + globin.
The ultrasonic sound can be heard by
The audible sound waves are those which are with frequencies 20Hz to 20,000 Hz.
The sound waves less than 20Hz are Infrasonic and more than 20000 Hz are ultrasonic waves.
Ultrasonic sound can't be heard by men but by some animals - dog, cat, bats, dolphin and birds.
The velocity of sound does not depend on
When a glass rod is rubbed by a silken cloth, the rod acquires
in simple harmonic motion, what remains constant?
Colour blindness is related to
The blood pressure of a normal person is :