List of practice Questions

Two particles A and B having charges \(20\,\mu C\) and \(-5\,\mu C\) respectively are held fixed with a separation of \(5\,\text{cm}\). At what position a third charged particle should be placed so that it does not experience a net electric force ?
For extrinsic semiconductors; when doping level is increased;

In the reported figure, there is a cyclic process ABCDA on a sample of 1 mol of a diatomic gas. The temperature of the gas during the process A $\rightarrow$ B and C $\rightarrow$ D are $T_1$ and $T_2$ ($T_1>T_2$) respectively. Choose the correct option out of the following for work done if processes BC and DA are adiabatic. 

 

A proton, a deuteron and an $\alpha$ particle are moving with same momentum in a uniform magnetic field. The ratio of magnetic forces acting on them is __________ and their speed is __________, in the ratio.

Figure shows a circuit that contains four identical resistors with resistance R=2.0 Ω, two identical inductors with inductance L=2.0 mH and an ideal battery with emf E=9 V. The current 'i' just after the switch 'S' is closed will be : 

A soft ferromagnetic material is placed in an external magnetic field. The magnetic domains :
First Indian woman to become Miss Universe:
The Sharda Act 1929 refers to:
“Man is a Social animal” is the famous analysis of human nature. It was said by:

The Chairperson of the 15th Finance Commission is:

The following Articles in Part III of the Constitution are related to the Right of freedom of Religion:
Who developed the world's most affordable COVID-19 Diagnostic kit "Corosure"?
The Industrial Policy Resolution of 1948 focused on which one of the following features?
Decentralisation of rural areas started by:
Under the flexible exchange rate system, the exchange rate is determined:
“POSDCORB” which classifies the function of management was coined by:
The venue of the Global Air Show 'Aero India' is at:
The Kuvempu Rashtriya Puraskar for the year 2020 was bagged by:
Who has signed an MoU with the Department of MSME and Mines of Government of Karnataka to promote arts, crafts, and the handloom sector of Karnataka?
First Indian Governor General
Which state Health Minister K.K Shailaja was honoured by the United Nations for her efforts to fight the coronavirus pandemic in her state?
"FDI" means:
Golden Revolution in India refers to the growth of:
'Amrut Mahotsav', which was seen in the news recently, is the celebration of which event?
Bio-degradable wastes can usually be converted into useful substances with the help of: