BITSAT (Birla Institute of Technology & Science Admission Test) Physics: Questions 249 - 256 of 501

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Question 249

Question MCQ▾

The energy of the ground electronic state of hydrogen atom is . The energy of the first excited state will be –

Choices

Choice (4)Response

a.

b.

c.

d.

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Question 250

Question MCQ▾

Refractive index of material is equal to tangent of polarizing angle. It is called –

Choices

Choice (4)Response

a.

Brewster՚s law

b.

Lambert՚s law

c.

Braggs՚ law

d.

Malus՚s law

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Question 251

Question MCQ▾

Magnetic field is measured in –

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 252

Question MCQ▾

Moderators used in nuclear reactor is –

Choices

Choice (4)Response

a.

Ice

b.

Boron road

c.

Cadmium road

d.

Heavy water

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Question 253

Question MCQ▾

A life is ascending with acceleration equal to . What will be the time-period of a simple pendulum suspended from its time-period in stationary life is ?

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 254

Question MCQ▾

An optician prescribes spectacles to a patient with a combination of a convex lens of focal length and concave lens . The power of spectacles is –

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 255

Question MCQ▾

The dimensions of Planck՚s constant are

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 256

Question MCQ▾

If error in measurement of radius of sphere is , what will be the error in measurement of volume?

Choices

Choice (4)Response

a.

b.

c.

d.

Edit