A radiation of energy ‘E’ falls normally on a perfectly reflecting surface
A radiation of energy 'E' falls normally on a perfectly reflecting surface. The momentum transferred to the surface is (c=…
7 years ago
AIPMT2015
A potentiometer wire has length 4m resistance 8Ω. The resistance that must be connected
A potentiometer wire has length 4m resistance 8Ω. The resistance that must be connected in series with the wire and…
7 years ago
A parallel plate air capacitor of capacitance C is connected to a cell of emf
A parallel plate air capacitor of capacitance C is connected to a cell of emf V and then disconnected from…
7 years ago
A certain metallic surface is illuminated with monochromatic light of wavelength
A certain metallic surface is illuminated with monochromatic light of wavelength λ. The stopping potential for photoelectric current for this…
7 years ago
The electirc field in a certain region is acting radially outward and is given by E=Ar.
The electric field in a certain region is acting radially outward and is given by E=Ar. A charge contained in…
7 years ago
vascular bundles in monocotyledons are considered closed because
vascular bundles in monocotyledons are considered closed because Options (a) a bundle sheath surrounds eeach bundle (b) cambium is absent…
7 years ago
Keel is the characteristic feature of flower of
Keel is the characteristic feature of flower of Options (a) tulip (b) indigofera (c) aloe (d) tomato Correct Answer: indigoferaExplanation:No…
7 years ago
In which of the following gametophyte is not independent free living
In which of the following gametophyte is not independent free living Options (a) Funaria (b) Marchantia (c) pteris (d) pinus…
7 years ago
Which of the following characteristics is mainly responsible for diversification
Which of the following characteristics is mainly responsible for diversification of insects on land Options (a) Bilateral symmetry (b)Exoskeleton (c)…
7 years ago
Male gametes are flagellated in
Male gametes are flagellated in Options (a) polysiphonia (b) Anabaena (c) Ectocarpus (d) spirogyra Correct Answer: EctocarpusExplanation:No explanation available. Be…
7 years ago