Explain the phenomenon of hysteresis in magnetic materials. Draw the hysteresis loop and explain retentivity and coercivity.

Explain the phenomenon of artificial transmutation with example .

Explain diffusion phenomenon based on the states of matter. (AS_1)

Explain horizontal component of Earth's magnetic field.

Study the figures below and answer the following : (a)Mention the specific geographical region where these organisms are found. (b)Name and explain the phenomenon that has resulted in the evolution of such diverse species in the region. (c )Explain giving reasons the existance of placental wolf and Tasmanian wolf sharing the same habitat.

Explain DNA as a genetic material with the help of Harshey and Chase experiment.

Explain the structure of [ZnCl_4]^(2-) what is its magnetic nature?

Hamburger phenomenon explains

Draw a standard ECG and explain the different segments in it.

The area of hysteresis loop of a magnetic material A is larger than of another magnetic materialB. Which of the two materials is better suited for use as the core of an electromagnet?