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 cos2αx2−sin2αy2=1, which of the following remains constant when αvaries?
The treatment of CH3MgX with CH3C≡C−H produces
The speed of sound in oxygen (O2) 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 ϵrandμr, 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