Two masses 𝑚1 = 4 𝑔𝑚 and 𝑚2 = 25 𝑔𝑚 are having same kinetic energy, find the ratio of linear momentum ? (a) 1 : 5 (b) 2 : 5 (c) 1 : 1 (d) 1 : 6
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Which of the following can not show variable oxidation state? (a) Chlorine (b) Fluorine (c) Bromine (d) Iodine
BhartiBeginner
If the electron revolving in the 3rd Bohr’s orbit of Hydrogen species has a radius is R. Then what will be its radius in the 4th orbit in terms of R? 1) (25/9)R 2) (16/9)R 3) (36/9)R 4) (9/16)R
The electronic configuration of Neodymium (\(60\) Nd) is: (a) \([Xe] 4f^{4} 6s^{2}\) (b) \([Xe] 5f^{1}\) (c) \([Xe] 4f^{2} 6s^{2}\) (d) \([Xe] 5f^{4} 4d^{1}\)
Ethanol shows turbidity with lucas reagent (conc. HCl + anhydrous ZnCl2)? (a) Immediately (b) After 5 to 7 mins (c) Upon heating (d) After 10-12 mins
Question. Why does distilled water not conduct electricity, whereas rain water does?
During SN1 reaction which of the following statement is correct? (a) Inversion occurs (b) Retention occurs (c) Almost racemization (d) 100% racemization
Which of the following is usually not the generating voltage? a 6.6 kV b 8.8 kV c 11 kV
NityaPundit
Four objects of mass 1 kg are placed at the vertices of a square of side 2 m, an axis passing perpendicular to the plane of the square through one of the vertices then calculate the moment of inertia about ...
Parul SinglaTeacher
A proton with a constant velocity passes through a region of space without any change in its velocity. If E and B represents the electric and magnetic field then the incorrect option is. (a) 𝐸 = 0, 𝐵 = 0