What would be the amount of energy released if 1 g of a substance is converted to energy? (Given, speed of light in vacuum \(=3 \times 10^8 m s ^{-1}\) )

Two spheres of silver of same radii, one solid and the other hollow are charged to the same potential, then :

The work function for a metal surface is 8.28 eV . The threshold wavelength for this metal surface is :

To obtain a n-type silicon semiconductor, it must be doped with

Magnetic material that moves from stronger to weaker part of magnetic field is:

The near point of a hypermetropic person is 80 cm from the eye. The power of lens, required to enable the person to read clearly a book held at 25 cm from the eye is:

Photoelectric effect reveals the :

The angle between the line \(\vec{r}=(\hat{i}+2 \hat{j}-\hat{k})+\lambda(\hat{i}-\hat{j}+\hat{k})\) and the plane \(\vec{r} \cdot(2 \hat{i}-\hat{j}+\hat{k})=4\) is :

Read the Passage carefully and answer the the questions
Insulin consists of two short polypeptide chains : chain A and chain B, that are linked together by disulphide bridges. The first clinical gene therapy was given in 1990 to a 4-year old girl with adenosine deaminase (ADA) deficiency. This enzyme is crucial for the immune system to function. Recombinant DNA technology, Polymerase Chain Reaction (PCR) and Enzyme Linked Immuno-sorbent Assay (ELISA) are some of the techniques that serve the purpose of early diagnosis of diseases. Transgenic animals that produce useful biological products can be created by the introduction of the portion of DNA (or genes) which codes for a particular product such as human protein (α-1-antitrypsin) used to treat emphysema. Biopiracy is the term used to refer to the use of bio-resources by multinational companies and other organisations without proper authorisation from the countries and people concerned without compensatory payment.
Insulin has 2 polypeptide chains linked together by _______ bridges.

Members of a population are arranged as per their age group. Select the expanding population from the following situations.

Match List I with List II

List I – Name of the part	List II – Characteristics
A. Non-albuminous seed	III. Residual endosperm absent
B. Albuminous seed	I. Residual endosperm present
C. Perisperm	IV. Residual nucellus
D. Pericarp	II. Fruit wall

Choose the correct answer from the options given below:

Which one of the following will show Tyndall effect ?

Which one of the following is not an application of adsorption?