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A nucleus of mass $M+Δm$ is at rest and decays into two daughter nuclei of equal mass $2M $ each. Speed of light is c. The speed of daughter nuclei is

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For the hyperbola $cos_{2}αx_{2} −sin_{2}αy_{2} =1$, which of the following remains constant when $α$varies?

The treatment of $CH_{3}MgXwithCH_{3}C≡C−H$ produces

The speed of sound in oxygen $(O_{2})$ at a certain temperature is $460ms_{−1}$. The speed of sound in helium (He) at the same temperature will be (assumed both gases to be ideal)

Which one of the following is the correct statement ?

The IUPAC name of neopentane is

In which of the following arrangements, the sequence is not strictly according to the property written against it ?

Relative permittivity and permeability of a material are $ϵ_{r}andμ_{r}$, respectively. Which of the following values of these quantities are allowed for a diamagnetic material ?

The perpendicular bisector of the line segment joining P (1, 4) and Q (k, 3) has y-intercept $−4$. Thena possible value of k is