NEET Physics: Questions 1001 - 1007 of 2099

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 2099 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 550.00 or

Question number: 1001

» Electromagnetic Waves » Applications of Electromagnetic Waves

MCQ▾

Question

If TV signals are to b received by the ground waves with in a range D, the height of the TV tower should be, (R is the radius of earth)

Choices

Choice (4) Response
a.

2d2R

b.

d22R2

c.

2dR

d.

d2R

Question number: 1002

» Electromagnetic Waves » Electromagnetic Waves & Characteristics

MCQ▾

Question

Which of the following waves have minimum frequency?

Choices

Choice (4) Response
a.

Audible waves

b.

Radio waves

c.

Microwaves

d.

Ultrasonic waves

Question number: 1003

» Ray Optics » Snell's Law

MCQ▾

Question

A ray of light is incident on a transparent glass-slab of refractive index 1.5. If the reflected and refracted rays are mutually perpendicular, what is the angle of incidence?

Choices

Choice (4) Response
a.

tan132

b.

sin123

c.

30 0

d.

tan123

Question number: 1004

» Ray Optics » Lens Maker's Formula and Lens Formula

MCQ▾

Question

A 35 mm film is to be projected on a 20 m wide screen situated at a distance of 40 m from the film-projector. Calculate the focal length of projection lens.

Choices

Choice (4) Response
a.

20 mm

b.

40 mm

c.

35 mm

d.

70 mm

Question number: 1005

» Ray Optics » Reflection and Refraction of Light » Spherical Surface

MCQ▾

Question

The angle θ between two plane mirrors producing five images of a given object is given by.

Choices

Choice (4) Response
a.

15° < θ < 72°

b.

60° < θ < 72°

c.

30° < θ < 72°

d.

45° < θ < 72°

Question number: 1006

» Electromagnetic Waves » Electromagnetic Spectrum » X-Rays

MCQ▾

Question

If λ = 10 Å, then it correspond to

Choices

Choice (4) Response
a.

X-rays

b.

Infrared waves

c.

Microwaves

d.

Ultraviolet waves

Question number: 1007

» Electromagnetic Waves » Electromagnetic Waves & Characteristics

MCQ▾

Question

The intensity of light from a source is 500πWm2 . Find the amplitude of electric field in this-wave-

Choices

Choice (4) Response
a.

23×10NC

b.

32×102NC

c.

3×102NC

d.

23×102NC

Sign In