Equal parts of a flag pole are painted with saffron, white, and green colours. If one-third of the portion painted green is 2 m long, then find the length of the pole
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A bag contains 3 white, 3 black and 2 red balls. One by one, three balls are drawn without replacing them. Find the probability that the third ball is
Correct Answer - `1//4` If third ball is red, then in first two draws, there will be either no red ball or one red ball. Let events `R_(0)=` in first two...
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There are 3 bags which are known to contain 2 white and 3 black, 4 white and 1 black, and 3 white and 7 black ball, respectively. A ball is drawn at r
Correct Answer - A Consider the following events. A: ball drawn is black `E_(1):` bag I is chosen `E_(2):` bag II is chosen `E_(3):` bag III is chosen Then, `P(E_(1))=(E_(2))=P(E_(3))=1/3` `P(A//E_(1))=3/5,P(A//E_(2))=1/5,P(A//E_(3))=7/10`...
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Two bar magnets are in line. One has a magnetic length of `0.08m` and pole strength of 5Am and the other has a magnetic length of `0.04m` and pole str
Correct Answer - `7.4 xx 10^(-6)J`
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When a portion of landslides down along the fault plane and when the exposed portion of the plane faces the sky ………….. is formed.
Correct option is (b) normal fault
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Two similar magnetic poles, having pole strengths in the ratio `1:2` are placed `1m` apart. Find the point where a unit pole experiences no net force
Correct Answer - `0.414` m from first pole
2 Answers 2 views
The stomach, located in the upper (A)_____ portion of the abdominal cavity, has three major parts-a (B)____ portion into which the oesophagus oopens,
Correct Answer - A-left, B-cardiac, C-fundic D-pyloric
2 Answers 1 views
A bag contains 4 green and 6 white balls. Two balls are drawn one by one without replacement. If the second ball drawn is white, what is the probabili
Correct Answer - `5/9`
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A vertical pole of length `7.5 m ` casts a shadow 5 long on the ground and at the same time a tower casts a shadow 24 m long. Find the height of the t
Correct Answer - 36 m
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Describe an activity to draw a magnetic field line outside a bar magnet from one pole to another pole.
Objective should be replaced with observation.
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