The minimum wavelength of X-rays emitted by X-ray tube is 0.4125Å
The minimum wavelength of X-rays emitted by X-ray tube is 0.4125 Å. The accelerating voltage is
Options
(a) 30 kV (b) 50 kV (c) 80 kV (d) 60 kV
Correct Answer:
30 kV
BHU2003
The velocity of sound is V, in air. If the density of air is increased to four times
The velocity of sound is V, in air. If the density of air is increased to four times, then the new velocity of sound will be
Options
(a) V/2 (b) V/12 (c) 12V […]
A particle is under two mutually perpendicular simple harmonic motions
A particle is under two mutually perpendicular simple harmonic motions having different amplitudes and a phase difference of π/2. The path of the particle will be
Options
(a) circular (b) straight line (c) […]
The number of optical isomers formed by hydrogenation of the compound (CH₃)₂C=CHCH₃
The number of optical isomers formed by hydrogenation of the compound (CH₃)₂C=CHCH₃ are
Options
(a) 2 (b) 3 (c) 4 (d) zero
Correct Answer:
zero
Explanation:
No explanation available. Be the first to […]
During diastole, the heart is filled with
During diastole, the heart is filled with
Options
(a) deoxygenated blood (b) venous blood (c) mixed blood (d) oxygenated blood
Correct Answer:
venous blood
Explanation:
No explanation available. Be the first to write […]
Bacteria are considered more as plants than animal because of the presence of
Bacteria are considered as plants because they
Options
(a) are green in colour (b) have rigid cell wall (c) have chlorophyll (d) have stomata
Correct Answer:
have rigid cell wall
Explanation:
Living organisms are […]
Littoral zone in the ocean ecosystem comprises of the
Littoral zone in the ocean ecosystem comprises of the
Options
(a) dark abyssal zone (b) benthic and pelagic zone (c) from coast to shallow water (d) continental shelf to the ocean basin
Correct […]
Which of the following is a recent application of genetic engineering in diagnostic
Which of the following is a recent application of genetic engineering in diagnostic technique?
Options
(a) PCR (b) ABC blood groups (c) ELISA test (d) gravidax test
Correct Answer:
PCR
Explanation:
No explanation […]
Respiratory quotient is less than one for
Respiratory quotient is less than one for
Options
(a) banana (b) potato (c) citrus fruits (d) castor seeds
Correct Answer:
castor seeds
Explanation:
No explanation available. Be the first to write the explanation […]
If decomposers on the earth are totally extinct, the most secure effect would
If decomposers on the earth are totally extinct, the most secure effect would be that
Options
(a) carnivores will not get food (b) biomagnification (c) minerals will not get recycled (d) nitrogen fixation […]