Question
Aromatic hydrocarbons contain at least how many benzene
rings in their molecules?Solution
Aromatic hydrocarbons must contain at least one benzene ring in their structure, which gives them their unique stability and properties.
What type of rays are used in a CT scan to visualize the internal structures of the human body?
When white light passes through a glass prism, which color deviates the least?
The time period of a second’s pendulum is –
A liquid is kept in a regular cylindrical vessel up to a certain height. If this vessel is replaced by another cylindrical vessel having half the area o...
A transformer works on which principle?
Which of the following is a characteristic of sound waves?
What is the escape velocity from Earth? Â
Which of the following vitamins are called fat-soluble vitamins?
Pycnometer is an instrument used to measure the –
For a non-relativistic particle, the ratio of phase velocity to group velocity of de Broglie waves is:
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