List of practice Questions

A metallic solid sphere is placed in a uniform electric field. Which path, the lines of force follow as shown in figure?
The law of electrolysis were given by:
Which of the following indicator is known as metal indicator?
Ostwald�s dilution law is applicable to only
A nucleus emits one $\alpha$-particle and forms a new nucleus. The mass and charge of the new nucleus is changed in one of the following way
Which of the following does not have S-S bond?
The forces, which meet at one point but their lines of action do not lie in one plane, are called
The bulk modulus of a fluid is inversely proportional to:
A galvanometer of 25 ohms and having full scale deflection for a current of 10 mA is changed into voltmeter of range 100 volts by connecting a resistance R in series with the galvanometer. The resistance R in ohms is:
Which of the following types of wheels of same mass and radius will have largest moment of inertia?
The tension in piano wire is 10 kg. What should be the tension in the wire to produce a note of double the frequency?
Water is supplied to different localities from a tank. The pressure of water is:
The ferromagnetic substance is converted into paramagnetic substances:
A moving cycle can be easily balanced. This can be explain by the law of conservation of:
Which of the following is dimensionless quantity?
Light year is a unit of:
The velocity of electromagnetic waves in free space is $3 \times 10^{8} \,m / sec$. The frequency of a radio wave of wave length $150\, m$, is
The second most electronegative element is:
The resolving power of a telescope increases when:
The H$_{\alpha}$ line of hydrogen
The function of cork cambium is to produce:
The function of ductus choledochus is to carry
The formation of canal system in sponges is due to
The extension in a string, obeying Hooke's law, is x. The speed of transverse wave in the stretched string is v. If the extension in the string is increased to 1.5 x, the speed of transverse wave will be
The basic principle involved in hydrogen bomb is: