Medium
Which of the following statements is incorrect?
- AConservation laws have deep connection with symmetries of nature.
- BWeak nuclear force is weakest among all fundamental forces of nature.
- C$A$ conservation law is a hypothesis based on observations and experiments.
- DIn a nuclear process, mass gets converted to energy or vice versa.
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Similar Questions
Consider the following statements:
$(A)$ Any physical quantity can have more than one unit.
$(B)$ Any physical quantity has only one dimensional formula.
$(C)$ More than one physical quantity may have the same dimension.
$(D)$ We can add and subtract only those expressions that have the same dimension.
The number of correct statements is:
$(A)$ Any physical quantity can have more than one unit.
$(B)$ Any physical quantity has only one dimensional formula.
$(C)$ More than one physical quantity may have the same dimension.
$(D)$ We can add and subtract only those expressions that have the same dimension.
The number of correct statements is:
Medium
View SolutionThe physical quantities that have the same dimensions are:
Although the units of torque and work are the same,why are they not the same physical quantities?
Easy
View SolutionIf the unit of force and length each be increased by four times,then the unit of energy is increased by $...$ times.
Medium
View SolutionSelect the pair from the following that does not have the same dimensions.
Easy
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