Shashank Dass

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Shashank Dass

Asked: 3 years agoIn: Class 11

1

Shashank Dass

Asked: 3 years agoIn: General Awareness

Two identical objects A and B are at temperatures `T_A` and `T_B`. Respectively. Both objects are placed in a room with perfectly absorbing walls maintained at a temperature `T(T_AgtTgtT_B)`. The objects A and B attain the temperature T eventually. Select the correct statements from the following:
A. A only emits radiation while `B` only absorbs it untilboth attain the temperatures `T` .
B. A loses more heat by radiation than it absorbs, while `B` absords more radiation than it emits until they attain the temperature `T`
C. Both `A` and `B` only absorb radiation but do not emit it they attain the temperature `T` .
D. Each object continous to emit and absorb radiation even after attaiing the temperature `T` .

Shashank Dass

Asked: 3 years agoIn: General Awareness

Speed of sound waves in a fluid depends
A. directly on density of the medium
B. square of Bulk modulus of the medium
C. inversly on the square root of density
D. directly on the square root of bulk modulus of the medium

Shashank Dass

Asked: 3 years agoIn: General Awareness

In the use of transistor as an amplifier
A. the emitter – base junction is revrese biased and the collector base junction is also revrese biased
B. the emitter – base junction is forward biased and the collector -base junction is reverse biased
C. both the junctions are forward biased
D. any of the two junctions may be forward biased

Shashank Dass

Asked: 3 years agoIn: General Awareness

Show that tan² θ + cot² θ ≥ 2 for all θ ∈ R

Shashank Dass

Asked: 3 years agoIn: General Awareness

An object approaches a convergent lens from the left of the lens with a uniform speed `5 m//s` and stops at the focus. The image.
A. moves away from the lens with an uniform speed 5 m/s
B. moves away from the lens with an uniform acceleration
C. moves away from the lens with a non-uniform acceleration
D. moves towards the lens with a non-uniform acceleration

Shashank Dass

Asked: 3 years agoIn: General Awareness

Is property of association applied for subtraction?

Shashank Dass

Asked: 3 years agoIn: Class 09

How many number of union territories along the western and eastern coast

Shashank Dass

Asked: 3 years agoIn: Class 11

Name basic unit of Chiron molecules

Shashank Dass

Asked: 3 years agoIn: Class 11

Hello guys,

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Shashank Dass

1

Speed of sound waves in a fluid depends
A. directly on density of the medium
B. square of Bulk modulus of the medium
C. inversly on the square root of density
D. directly on the square root of bulk modulus of the medium

Show that tan² θ + cot² θ ≥ 2 for all θ ∈ R

Is property of association applied for subtraction?

How many number of union territories along the western and eastern coast

Name basic unit of Chiron molecules

Hello guys,

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