Question
What is the escape velocity from the surface of the
Earth?Solution
Escape velocity ve = √2gR, where g = 9.8 m/s² and R = 6400 km. Calculating this gives approximately 11.2 km/s. This is the minimum speed needed for an object to escape Earth’s gravitational field without further propulsion.
Scientific name of grape is:
Root secrete weak organic acids which attack the rocks and start to dissolve away the softer parts areÂ
Which of the following statements is/are true?
Statement A: Mica and biotite are the secondary minerals but also act as primary minerals.
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The time of discharge of eggs from the Graffian follicles (Ovulation) in cow is about ___ hours after the end of 18 hours estrus.
‘Khaira disease’ (also known as iron rust) of rice is caused due to:
Chromosomal aberration in which two breaks occur in a chromosome and the intercalary segment reunites in a reverse order is categorised as
Imaginary lines connecting points of equal amount of rainfall are called asÂ
The first sign of germination of the seeds isÂ
Which among the following is not a seed quality analysis?
The trade name of the insecticide Imidacloprid is:
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