1
TS EAMCET 2023 (Online) 13th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The radius of a nucleus of mass number 27 is $R$. Which of the following is true about a nucleus whose radius is $2 R$ ?

A

It is stable in nature

B

Its mass number is 54

C

It is likely to undergo fission reaction

D

It is likely to undergo fusion reaction

2
TS EAMCET 2023 (Online) 13th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The nucleus ${ }_{50}^{120} X$ undergoes the series of reactions given below:

$$ { }_Z^A X \xrightarrow{\alpha \text {-decay }} P \xrightarrow{\beta^{-} \text {-decay }} Q \xrightarrow{\alpha \text {-decay }} R $$

The number of neutrons in the nucleus $R$ is

A

$A-5$

B

$A-Z-5$

C

A - 9

D

$A-Z-4$

3
TS EAMCET 2023 (Online) 13th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

In the logic circuit given below, if $X=1$ and $Y=1$, then the values of $P, Q$ and $R$ areTS EAMCET 2023 (Online) 13th May Evening Shift Physics - Semiconductor Devices and Logic Gates Question 28 English

A

$P=1, Q=1, R=0$

B

$P=0, Q=1, R=0$

C

$P=1, Q=0, R=1$

D

$P=1, Q=1, R=1$

4
TS EAMCET 2023 (Online) 13th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The symbol given below represents

TS EAMCET 2023 (Online) 13th May Evening Shift Physics - Semiconductor Devices and Logic Gates Question 29 English

A

a $p-n-p$ transistor

B

an n-p-n transistor

C

a p-n junction diode

D

an inductor

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