If r denotes the distance between sun and the earth, then the angular momentum of the earth
If r denotes the distance between sun and the earth, then the angular momentum of the earth around the sun…
7 years ago
Easy
A particle has initial velocity (3i + 4j) and acceleration (0.1 i+0.3j). It’s speed after 10s
A particle has initial velocity (3i + 4j) and acceleration (0.1 i+0.3j). It's speed after 10s is Options (a) 7…
7 years ago
Under the action of a force F=cx, the position of a body changes from 0 to x.The work done
Under the action of a force F=cx, the position of a body changes from 0 to x.The work done is…
7 years ago
The mass of a lift is 2000kg. When the tension in the supporting cable is 28000N, then its acceleration is
The mass of a lift is 2000kg. When the tension in the supporting cable is 28000N, then its acceleration is…
7 years ago
A body under the action of a force F⃗ = 6i⃗–8j⃗+10k⃗, acquires an accelerationof 1 m/s². The mass of this body must be
A body under the action of a force F⃗ = 6i⃗–8j⃗+10k⃗, acquires an acceleration of 1 m/s². The mass of…
7 years ago
Probiotics are
Probiotics are Options (a) cancer inducing microbes (b) new kind of food allergens (c) live microbial food supplement (d) safe…
7 years ago
Mast cells secrete
Mast cells secrete Options (a) myoglobin (b) histamine (c) hemoglobin (d) hippurin Correct Answer: histamineExplanation:At the site of infection, the…
7 years ago
Bundle sheath cells
Bundle sheath cells Options (a) Are rich in RuBisCO (b) Are rich in PEP carboxylase (c) lack RuBisCO (d) Lack…
7 years ago
A drupe develops in
A drupe develops in Options (a) mango (b) wheat (c) pea (d) tomato Correct Answer: mango Explanation:Some fleshy fryits such…
7 years ago
Nitrifying bacteria:
Nitrifying bacteria: Options (a) Oxidize ammonia to nitrates (b) convert free nitrogen to nitrogen compounds (c) convert proteins into ammonia…
7 years ago