Question
In H -atom the radius of electron's first orbit in A will be :
✓
Answer
(A) - 0.529
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
The universal property among all substances is
Ionic molecules are:
What is the de$-$Broglie wavelength of the $\alpha-$particle accelerated through a potential difference $V$
→No bias is applied to a P-N junction, then the current(a) Is zero because the number of charge carriers flowing on both sides is same(b) Is zero because the charge carriers do not move(c) Is non-zero(d) None of these
A galvanometer of $25\Omega$ resistance can read a maximum current of $6mA.$ It can be used as a voltmeter to measure a maximum of $6\ V$ by connecting a resistance to the galvanometer. Identify the correct choice in the given answers
→A magnetic field can be produced by :
If the distance between H and Cl in HCl molecule is 1.28 A, then the value of electric dipole moment of this molecule will be (in Coulomb-meter):
The energy stored in a charged capacitor is:
A rod $AB$ moves with a uniform velocity $v$ in a uniform magnetic field as shown in figure.
→Which of the following is not correct about relative magnetic permeability $(\mu,)$?
→