Question # 1

If we increasing angle of incidence then at a particular angle incidence the angel of refraction is.

Choose an answer

45 ^o

60 ^o

30 ^o

90 ^o

Laser is used toproduce three -Dimensional image called.

Choose an answer

Holograms

Holography

Lithotropsy

Radioactive elements

Radioactivity occurs naturally from all the elecments with atomic number greater than.

Choose an answer

62

72

80

82

When a ray of light passes from a denser to a rare medium it;

Choose an answer

bends away form the normal to the interface

bends towards the normal

does no bend

non of the above

In engineering department besides heavy machinery the role of ....... industry is examplary.

Choose an answer

Cottage

Steel

Electrical

Paper

The Phenomenon of emission of radiations from radioactive elements is called:

Choose an answer

Doping

Allotropy

Radioactivity

Induction

Which type of rays are used in the solar system fitted on ships and submarines to find the hidden secrets under water:

Choose an answer

x - rays

C.T Scan

Ultrasound

Light

The rays which are liberated from metal due to collision of fast moving electrons:

Choose an answer

Alpha rays

Beta rays

Gamma rays

x - rays

The number of hydrogen isotopes;

Choose an answer

3

2

8

10

Which radiation have zero mass number

Choose an answer

Alpha radiation

Beta ratiation

Gamma radiation

None of these

the test that measures the electrical activity of the heart:

Choose an answer

E.C.G (Electrocardiogram)

E.E.G (Electroencephalography)

M.R.I (Magnetic resonance imaging)

Angiography

---------------- lasers are presently used for operating cataract and glaucoma.

Choose an answer

Argon

Neon

Helium

Hydrogen

Frequency of ultrasound is.

Choose an answer

Less than 20 Hz

20 KHz

30 KHz

More than 20 khn

Recording of electrical activity of brain is said to be:

Choose an answer

ultrasound

MRI

E.E.G

E.C.G

During the preparation of the juice of sugarcane is heated from:

Choose an answer

100°C to 110°C

100° to 120°

100°C to 130°C

100°C to 140°C

More Classes

Other Links

General Science 10th Class English Medium Chapter 10 Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer