NDA questions
2295 published questions with worked solutions.
- Two metallic wires A and B are made using copper. The radius of wire A is r while its length is l. A dc voltage V is applied...
- Consider the following statements about a solenoid : 1. The magnetic field strength in a solenoid depends upon the number of...
- Light year is a unit of measurement of
- The focal length of the objective lens of a telescope is 50 cm. If the magnification of the telescope is 25, then the focal...
- Which one of the following forces is non-central and non-conservative ?
- Which one of the following substances is NOT a mixture ?
- Tooth enamel is made up of which one of the following calcium compounds ?
- Suppose there are two planets, 1 and 2, having the same density but their radii are R_1 and R_2 respectively, where R_1 > R_2....
- The Sun is seen little before it rises and for a short while after it sets. This is because of
- When a beam of white light passes through a glass prism, the colour of light beam that deviates the least is
- As per the code of the nomenclature, which one of the following is the correct way of writing a biological name ?
- Which one of the following statements regarding Electrocardiogram is correct ?
- A thin disc and a thin ring, both have mass M and radius R. Both rotate about axes through their center of mass and are...
- Let there be an object having some chemicals in it. It starts moving with a uniform velocity v and a chemical reaction starts...
- In which of the following phenomena do heat waves travel along a straight line with the speed of light ?
- Which one of the following statements regarding Ohm's law is not correct ?
- Which one of the following statements about diamond and graphite is not correct ?
- Which one of the following statements about water is not true ?
- A sample of 'soft soap' contains
- If an object moves at a non-zero constant acceleration for a certain interval of time, then the distance it covers in that time