Indian army has published the notification for SSC Tech 56 men and SSC Tech 27 women for the course commencing at OTA Chennai from April 2021
In India, a cultivable land which is left uncultivated for more than a year but less than five years is labelled as
cultivable wasteland
current fallow
fallow other than current fallow
barren and wasteland
The amplitude of sound waves is measured in the units of
pressure
distance
time
Speed
SONAR is a device that is used to measure the distance of underwater objects by a ship. Which of the following types of waves does it use for this purpose?
Infrasonic waves
Sound waves in audible range for human beings
Ultrasonic waves
All of the above
Which one of the following rivers in India was not crossed by Alexander and his army?
Hyphasis
Acesines
Hydraotes
Hydaspes
At which among the following Harappan sites are fire altars found?
Kalibangan
Harappa
Mohenjo-daro
Rakhi Garhi