Answer the following question:
Pick out the correct carcinogens out of the following: Asbestos, Infra-red rays, Arsenic, Polythe, Casein, Caffein, Tobacco smoke, Gamma rays.

Arrange the following radiations in the descending order of wavelength: X-rays, radio waves, yellow light, infra-red rays.

In these question, a statement of assertion followed by a statement of reason is given .Choose the correct answer out of the following choices: Assertion and reason both are correct statements and reason is correct explanation for assertion. Assertion and reason both are correct statements but reason is not correct explanation for assertion. Assertion is correct statement but reason is wrong statement. Assertion is wrong statement but reason is correct statement. Assertion: the frequencies of incident ,reflected and refracted beam of monochromatic light incident from one medium to another are same. Reason: The incident, reflected and refracted rays are coplanar.

In these question, a statement of asertion followed by a statement of reason is given .Choose the correct answer out of the following choices: Assertion and reason both are correct statements and reason is correct explanation for assertion. Assertion and reason both are correct statements but reason is not correct explanation for assertion. Assertion is correct statement but reason is wrong statement. Assertion is wrong statement but reason is correct statement. Assertion:It is impossible to photograph a virtual image. Reason:The rays which appear divergin from a virtual image fall on the camera and a real image is capture.

In these question, a statement of assertion followed by a statement of reason is given .Choose the correct answer out of the following choices: Assertion and reason both are correct statements and reason is correct explanation for assertion. Assertion and reason both are correct statements but reason is not correct explanation for assertion. Assertion is correct statement but reason is wrong statement. Assertion is wrong statement but reason is correct statement. Assertion: The sun looks bigger in size at sunrise and sunset than during day. Reason: The phenomenon of diffraction bends light rays.

In these question, a statement of asertion followed by a statement of reason is given .Choose the correct answer out of the following choices: Assertion and reason both are correct statements and reason is correct explanation for assertion. Assertion and reason both are correct statements but reason is not correct explanation for assertion. Assertion is correct statement but reason is wrong statement. Assertion is wrong statement but reason is correct statement. Assertion:A red object appears dark in the yellow light. Reason:The red colour is scattered less.

In these question, a statement of asertion followed by a statement of reason is given .Choose the correct answer out of the following choices: Assertion and reason both are correct statements and reason is correct explanation for assertion. Assertion and reason both are correct statements but reason is not correct explanation for assertion. Assertion is correct statement but reason is wrong statement. Assertion is wrong statement but reason is correct statement. Assertion:Danger signals aer made of red colour. Reason:Velocity of red light is maximum and thus more visibility in dark.

In these question, a statement of asertion followed by a statement of reason is given .Choose the correct answer out of the following choices: Assertion and reason both are correct statements and reason is correct explanation for assertion. Assertion and reason both are correct statements but reason is not correct explanation for assertion. Assertion is correct statement but reason is wrong statement. Assertion is wrong statement but reason is correct statement. Assertion:Position of image approches focus of a lens,only when object approaches infinity. Reason:Paraxial rays inident parallel to principal axis intersect at the focus after refraction from the lens.

In the following questions a statement of assertion followed by a statement of reason is given. Choose the correct answer out of the following choices. Assertion and reason both are correct statements and reason is correct explanation for assertion Assertion and reason both are correct statements but reason is not correct explanation for assertion. Assertion is correct statement but reason is wrong statement. Assertion is wrong statement but reason is correct statement. Assertion: Graphite is a good conductor of electricity however diamond belongs to the category of insulators. Reason: Graphite is soft in nature on the other hand diamond is very hard and brittle.

In these question, a statement of assertion followed by a statement of reason is given .Choose the correct answer out of the following choices: Assertion and reason both are correct statements and reason is correct explanation for assertion. Assertion and reason both are correct statements but reason is not correct explanation for assertion. Assertion is correct statement but reason is wrong statement. Assertion is wrong statement but reason is correct statement. Assertion: Finger prints on a piece of paper may be detected by sprinkling fluorescent powder on the paper and then looking it into ultraviolet light. Reason: the ultraviolet light can cause fluorescence.