AIPMT 2002 | Dual Nature of Radiation and Matter Question 68 | Physics

AIPMT 2002

MCQ (Single Correct Answer)

-1

The value of Planck's constant is

6.63 $$ \times $$ 10^$$-$$34 J/sec.

6.63 $$ \times $$ 10^$$-$$34 kg-m²/sec

6.63 $$ \times $$ 10^$$-$$34 kg-m²

6.63 $$ \times $$ 10^$$-$$34 J-sec.

AIPMT 2002

MCQ (Single Correct Answer)

-1

When ultraviolet rays incident on metal plate then photoelectric effect does not occur, it occurs by incidence of

infrared rays

X-rays

radio wave

micro wave

AIPMT 2002

MCQ (Single Correct Answer)

-1

Which of the following is not the property of cathode rays ?

In produces heating effect

It does not deflect in electric field

It casts shadow

It produces fluorscence.

AIPMT 2001

MCQ (Single Correct Answer)

-1

In Thomson mass spectrograph $$\overrightarrow E \bot \overrightarrow B $$ then the velocity of electron beam will be

$${{\left| {\overrightarrow E } \right|} \over {\left| {\overrightarrow B } \right|}}$$

$$\overrightarrow E \times \overrightarrow B $$

$${{\left| {\overrightarrow B } \right|} \over {\left| {\overrightarrow E } \right|}}$$

$${{{{\overrightarrow E }^2}} \over {{{\overrightarrow B }^2}}}$$

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