AIIMS (All India Institute of Medical Sciences) Physics: Questions 369 - 372 of 500

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 500 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 350.00 or

Question number: 369

» Atoms and Nuclei » Half Life and Mean Life

MCQ▾

Question

A radioactive substance decays to Equation of its initial activity in 48 days. The half-life of the radioactive substance expressed in days is –

Choices

Choice (4) Response

a.

32

b.

8

c.

30

d.

16

Question number: 370

» Properties of Solids & Liquids » Boyle's Law & Applications

MCQ▾

Question

A uniform cylinder of density Equation and length L floats vertically completely immersed in two liquids with length L1 immersed in a liquid of density Equation and remaining length L2 immersed in the other liquid of density Equation as shown in figure. The ratio Equation will be equal to –

A uniform cylinder immersed in two liquids

A Uniform Cylinder Immersed in Two Liquids

In figure a uniform cylinder vertically completely immersed in two liquids is shown. L1 is the height of the cylinder in liquid 1 and L2 is the height of the cylinder in liquid 2.

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 371

» Ray Optics » Resolving Power of Microscopes and Astronomical Telescopes

MCQ▾

Question

A telescope has an objective lens of focal length 500 cm and an eye piece with focal length 10 cm. If this telescope is used to see a 80 meter tall building at a distance of 5km, what is the height of the image of the building formed by the objective lens –

Choices

Choice (4) Response

a.

10 cm

b.

15 cm

c.

8 cm

d.

6 cm

Question number: 372

» Oscillations and Waves » Reflection of Waves

MCQ▾

Question

A sound wave travelling with a velocity Equation in medium A reaches a point on the interface of medium A and medium B. The velocity of wave in medium B is Equation . What is the angle of incidence for total internal reflection?

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

f Page
Sign In