The waves which are less than 20Hz are known as
The sounds of frequency less than 20Hz are called infrasonics. The infrasonic sounds have below the lower limit of human hearing. The audible range of human ear is 20 Hz to 20000 Hz. These are called Audible waves. The sound of frequency more than 20,000Hz are called ultrasonics. Ultrasonic sounds have a frequency above the upper limit of human hearing.
'Nine Gems of the Court of Akbar' the one who was a reputed poet of Hindi, was
Mughal painting reached its zenith during the reign of
During Mahmud of Ghazni's invasion, who was the ruler of Kathiawar?
Ayagara in Vijayanagar were
Which historical figure did Sher Shah Suri defeat at the Battle of Kannauj in 1540?
Which of the following was defended by Chand Bibi against the Mughals?
Which dynasty of the Delhi Sultanate ruled for the longest period?
The Battle of Plassey was fought in:
Who was the father of Mughal Emperor Aurangzeb?
Akbar granted the present site of Amritsar to the Sikh Guru
