A moving neutron collides with a stationary α-particle.The fraction of the kinetic energy
A moving neutron collides with a stationary α-particle.The fraction of the kinetic energy lost by the neutron is Options (a)…
7 years ago
Memory
If force(F),length(L) and time(T) be considered fundamental units, then the units of mass
If force(F),length(L) and time(T) be considered fundamental units, then the units of mass will be Options (a) [FLT⁻²] (b) [FL⁻²T⁻¹]…
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