1
AIEEE 2010
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
A radioactive nucleus (initial mass number $$A$$ and atomic number $$Z$$ emits $$3\,\alpha $$- particles and $$2$$ positrons. The ratio of number of neutrons to that of protons in the final nucleus will be
A
$${{A - Z - 8} \over {Z - 4}}$$
B
$${{A - Z - 4} \over {Z - 8}}$$
C
$${{A - Z - 12} \over {Z - 4}}$$
D
$${{A - Z - 4} \over {Z - 2}}$$
2
AIEEE 2010
MCQ (Single Correct Answer)
+4
-1
The combination of gates shown below yields AIEEE 2010 Physics - Semiconductor Question 163 English
A
OR gate
B
NOT gate
C
XOR gate
D
NAND gate
3
AIEEE 2010
MCQ (Single Correct Answer)
+4
-1
The figure shows the position$$-$$time $$(x-t)$$ graph of one-dimensional motion of body of mass $$0.4$$ $$kg.$$ The magnitude of each impulse is AIEEE 2010 Physics - Center of Mass and Collision Question 99 English
A
$$0.4$$ $$Ns$$
B
$$0.8$$ $$Ns$$
C
$$1.6$$ $$Ns$$
D
$$0.2$$ $$Ns$$
4
AIEEE 2010
MCQ (Single Correct Answer)
+4
-1
A small particle of mass $$m$$ is projected at an angle $$\theta $$ with the $$x$$-axis with an initial velocity $${v_0}$$ in the $$x$$-$$y$$ plane as shown in the figure. At a time $$t < {{{v_0}\sin \theta } \over g},$$ the angular momentum of the particle is ................,

AIEEE 2010 Physics - Rotational Motion Question 170 English

where $$\widehat i,\widehat j$$ and $$\widehat k$$ are unit vectors along $$x,y$$ and $$z$$-axis respectively.
A
$$ - mg\,{v_0}{t^2}\cos \theta \widehat j$$
B
$$mg\,{v_0}t\cos \theta \widehat k$$
C
$$ - {1 \over 2}mg\,{v_0}{t^2}\cos \,\theta \widehat k$$
D
$${1 \over 2}mg\,{v_0}{t^2}\cos \theta \widehat i$$
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