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The resultant of two forces 3P and 2P is R. When first one is doubled, the resultant also doubles. Then, the angle between forces is:
A bullet is fired straight to monkey falling from the tree straight at the same instant bullet is shot . The result is :
Which has the highest numerical value?
Which of the following motion has non-zero tangential acceleration?
If an planet had mass and radius of the earth, the acceleration due to gravity of that hypothetical planet will be :
If there is change of angular momentum from 2J to 4 J in 4 seconds . Then torque will be :
The time required for pendulum in motion to move from point of maximum acceleration to point of maximum velocity is : ( T= time period of given pendulum)
The effect of rolling and annealing to an elastic body on it's elasticity respectively is :
Mercury meniscus in glass vessel when tilted 45° from the vertical , it's meniscus becomes:
The terminal velocity for water drop of diameter Z is M then the terminal velocity for water drop half the diameter of previous is :
The pendulum clock of brass keeps correct time at 20°C , how many seconds will it lose or gain at 35°C ? (gamma = 6×10^-5)
The best extinguisher for fire is :
The graph between pressure and volume according to Boyle's law is :
The maximum wavelength emitted by the sun at temperature X, Y ,Z are 659 nm , 580 nm and 350 nm respectively.
Then Which is correct ?
The most steeper curve of P-V diagram is for :
Efficiency of carnot engine working between 27°C and 127 °C is :
Critical angle of light passing from glass to air is least for :
Air bubble inside water acts as:
Suggest lens for person with least distance of vision is 100cm .
The central maxima formed after refraction in Newton's ring experiment is :
A grating with 4000 LPI can give how many orders of fringe using an entire visible spectra?
Who Firstly discovered that light has a finite speed?
Antinode has :
Open organ pipe and closed organ pipe are in unision then, their length will be in ratio:
Find minimum electrostatic force between two charge X AND Y separated by an unit distance .
If 1/4pi € =k
When the normal distance from conducting charged sheet to required point is doubled , the electric field now :
The capacitance of earth is :
In induction process which of them is conserved?
The drift speed in a conductor just due to thermal energy is :
Two coils take 5 minutes and 10 minutes to boil identical liquids respectively .If they are now connected to get maximum resistance in that case time to boil same liquid will be:
Maximum power can be obtained from battery if :
Neutral temperature of a thermocouple is 320 °C . The cold junction is maintained at 10°C . The temperature where polarity changes is :
The best instrument to measure current with high precision :
The nature of permanent magnets for better use is :
When a ring of wire with current is bent to two circular loops , magentic field changes as follows :
Transformer doesn't transform
Practical choke coil consumes:
Photoelectric effect was first observed by :
Value of Specific charge of an electron is :
Line spectra of protium and deuteriun differ due to :
What is the minimum wavelength of X ray one can get through 12.4 KV P.d in Coolidge tube ?
Moderators in nuclear reactor is :
Which particle is exception to pauli 's exclusion principle?
Albedo is maximum for :
The unit for molecular weight is :
Which one of the following insects lays eggs in water:
What is the female counter part of prostate gland in the human male:
In Paramecium the oral groove leads ventrally and posteriorly as a tubular structure and is called:
Peyer’s patches found in small intestine are:
The number of vertebrae in human body is:
The endocrine part of the pancreas is known as:
What is common in earthworm and man?
In mammals, mammary glands are modified form of:
In internal ear sensory patches are situated in:
Maximum absorption of nutrients takes place inside:
In rabbit fertilization of ova takes place inside:
How many daughter Paramecia are formed in a process of conjugation at a time?
Movement of earthworm against the soil surface is:
Gemmule formation is the means of reproduction in:
Resemblances between different organisms with different genotypes due to common adaptation
Numerous ovules are present in the ovary of the plants belonging to the family:
The neck canal cell in the archegonium of fern is:
Which of the following is parasitic form of algae?
The salt loving bacteria are known as:
The transfer of genes from one chromosome to another during synapsis is termed as:
The study of plants related to chemistry is:
Tobacco mosaic virus (TMV) genes are:
Sexual reproduction is totally absent in:
Which of the is an example of “living fossil”?
Oxygen liberated during photosynthesis comes from:
Which is the main causative factor of desertification?
Which of the following plants has di-morphic chloroplast?
Vessels in plants are generally blocked by
Motor cells are present in:
Cork cambium is also called
Chewing gum is obtained from
An attribute found in plants but not in animals is:
C4 Pathway was reported by
Pine apple fruit is a
Name a weed killing Hormone from the following
Mutation can be induced by using
Wilting is due to
"Origin of species" is written by
Restriction Enzymes are responsible for