A perfect gas at 27° C is heated at constant pressure to 327° C. If original volume of gas
A perfect gas at 27° C is heated at constant pressure to 327° C. If original volume of gas at 27° C is V, then volume at 327° C is
Options
(a) V […]
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A 1 µA beam of protons with a cross-sectional area of 0.5 sq.mm is moving with a velocity
A 1 µA beam of protons with a cross-sectional area of 0.5 sq.mm is moving with a velocity of 3 x 10⁴ m/s. The charge density of beam is
Options
(a) 6.6 x […]
Two waves represented by following equations are travelling in same medium
Two waves represented by following equations are travelling in same medium y1=5 sin 2π (75t – 0.25x) and y2=10 sin 2π (150t – 0.50x). The intensity ratio I1/I2 of the two waves is
Options […]
The optical path of a monochromatic light is same if it goes through 4.0 cm
The optical path of a monochromatic light is same if it goes through 4.0 cm of glass or 4.5 cm of water. If the refractive index of glass is 1.53, the refractive index of the […]
A source of sound of frequency 256 Hz is moving rapidly towards a wall with a velocity
A source of sound of frequency 256 Hz is moving rapidly towards a wall with a velocity of 5 m/s. The speed of sound is 300 m/s. If the observer is between the wall and […]
According to one of the most accepted theory the earth atmosphere before
According to one of the most accepted theory the earth atmosphere before any life had originated consisted of H₂O, H₂, NH₂ and
Options
(a) CH₄ (b) O₂ (c) N₂ (d) none of these
Smallest bacterium is
Smallest bacterium is
Options
(a) spirillium (b) bacillus (c) dialister (d) none of these
Correct Answer:
dialister
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
Chlamydomonas occurs in
Chlamydomonas occurs in
Options
(a) fresh water (b) pond and lake (c) river (d) ocean
Correct Answer:
pond and lake
Explanation:
No explanation available. Be the first to write the explanation for this […]
Opening of flower is an example of
Opening of flower is an example of
Options
(a) spontaneous movement (b) hyponasty movement (c) epinasty movement (d) cleistogamous movement
Correct Answer:
epinasty movement
Explanation:
No explanation available. Be the first to write […]
Quantasomes are found in
Quantasomes are found in
Options
(a) mitochondria (b) chloroplast (c) lysosome (d) endoplasmic reticulam
Correct Answer:
chloroplast
Explanation:
No explanation available. Be the first to write the explanation for this question by […]