Physics-
General
Easy
Question
If the units of mass, length and time are doubled, unit of angular momentum will be
- Doubled
- Tripled
- Quadrupled
- 8 times the original value
The correct answer is: Quadrupled
Related Questions to study
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Weakest hydrogen bond is:
Weakest hydrogen bond is:
chemistry-General
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The number and type of bond between two carbon atom in calcium carbide are:
The number and type of bond between two carbon atom in calcium carbide are:
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A radioactive sample at any instant has its disintegration rate 5000 disintegrations per minute. After 5 min, the rate is 1250 disintegrations per min. Then, the decay constant (per minute) is
A radioactive sample at any instant has its disintegration rate 5000 disintegrations per minute. After 5 min, the rate is 1250 disintegrations per min. Then, the decay constant (per minute) is
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Alpha rays emitted from a radioactive substance are
Alpha rays emitted from a radioactive substance are
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Statement-I: An element has variable equivalent mass., Because
Statement-2: The valency of element is variable
Statement-I: An element has variable equivalent mass., Because
Statement-2: The valency of element is variable
chemistry-General
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Hybridization of C atom in carbonyl>C=O group is-
Hybridization of C atom in carbonyl>C=O group is-
chemistry-General
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The chloride of a metal has the formula 
. The formula of its phosphate will be:
The chloride of a metal has the formula . The formula of its phosphate will be:
chemistry-General
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The fraction 
of radioactive material that has decayed in time 
, varies with time . The correct variation is given by the curve
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The graph between the instantaneous concentration 
of a radioactive element and time 
is
The graph between the instantaneous concentration of a radioactive element and time is
physics-General
physics-
The change density in a nucleus varies with distance from the centre of the nucleus according to the curve in Fig.
The change density in a nucleus varies with distance from the centre of the nucleus according to the curve in Fig.
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Which one of the following has the regular tetrahedral structure? (Atomicnos.:B= 5,S= 16,Ni=28,Xe=54)
Which one of the following has the regular tetrahedral structure? (Atomicnos.:B= 5,S= 16,Ni=28,Xe=54)
chemistry-General
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The correct order of bond angles (smallest n first) in H2S,NH3,BF3 and SiH4 is:
The correct order of bond angles (smallest n first) in H2S,NH3,BF3 and SiH4 is:
chemistry-General
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Which of the following bonds require the largest amount of bond energy to dissociate the atoms condensed?
Which of the following bonds require the largest amount of bond energy to dissociate the atoms condensed?
chemistry-General
maths-
maths-General
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In Fig. 
represents time and 
represents activity of a radioactive sample. Then the activity of sample, varies with time according to the curve
In Fig. represents time and represents activity of a radioactive sample. Then the activity of sample, varies with time according to the curve
physics-General
