0
votes
1answer
59 views

Washing Once or Twice

Someone told me that technically one needs to pour water on each hand only once since we use large quantities of water. Is there a halachic source for this? I heard that the requirement to pour twice ...
2
votes
1answer
52 views

What beracha acharona when ikar less than kezayit?

If you have an ikar (main) and tofel (secondary) mixture where the ikar is less than a kizayit but the entire mixture is greater than a kizayit, do you still make a beracha acharona on the ikar? Or ...
0
votes
0answers
29 views

How much Matzo must one eat on Pesach?

According to the OU, one must eat a minimum of "approximately 26 cubic centimeters" of Matza and Marror to fulfill his requirement (ie, a kezayis is 26 cm3). They also provide a chart, which states ...
1
vote
1answer
39 views

Where does the contemporary measurement of a Kezayit come from?

According to the Nodeh B'Yehuda and the Chazon Ish, in order to calculate the size of a kezayis (which apparently is based on the size of an egg), we must double the size of our contemporary eggs. ...
3
votes
1answer
103 views

Soldier's Shovel

Is there a shiur for the item the soldier is obligated to carry in Devarim 23:14? וְיָתֵד תִּהְיֶה לְךָ עַל אֲזֵנֶךָ וְהָיָה בְּשִׁבְתְּךָ חוּץ וְחָפַרְתָּה בָהּ וְשַׁבְתָּ וְכִסִּיתָ אֶת צֵאָתֶךָ ...
5
votes
2answers
81 views

challah bracha on separate dough balls

I understand a bracha on dough is made if the amount of flour is greater than a certain amount, sourced here. I have a small food processor I use to knead the dough. I plan to make a bunch of dough ...
3
votes
1answer
101 views

how much water do you need for a Netilat Yadayim

When washing your hands for Netilat Yadayim, how much water do you need for Netilat Yadayim?
4
votes
1answer
105 views

How long does it take to become a kofer?

If a person for whatever reason momentarily has a thought which denies God, but then afterwards reaffirms his belief in Hashem, is that an act of kefira? Does a momentary lapse in belief constitute a ...
4
votes
1answer
48 views

Is there a legal minimum on the amount of soil needed to make a suitable grave?

This is not being asked for any pragmatic need. I had the thought about people living off of planets. Without getting into the issue of whether a burial can take place anywhere beside Earth, I ...
4
votes
2answers
93 views

Can we really estimate halachic distances?

A mishna on Eiruvin 41b tells of a ship that was coming into harbor at dusk coming into Shabbat. Since Shabbat had already begun when the ship docked, those on board asked R. Gamaliel if they could ...
0
votes
1answer
52 views

Challah dough that loses its amount

A theoretical question: Someone was making a dough and in the process a large piece fell out from the mixture onto the floor. They had made exactly the right amount in order to take challah with a ...
4
votes
1answer
63 views

Violating the prohibition of wearing Sha'atnez

When does one become liable for wearing Sha'atnez? Is it merely putting the garment on one's body? Is it when the act of dressing is complete (ie., buttoning the last button, zipping up the zipper, ...
3
votes
2answers
417 views

What is the absolute minimum length for peyos?

I have often heard that 1/4th of an inch is the minimum length of the hairs in the peyos area. For example, that is mentioned in an answer to a previous question: How to advise your barber My ...
3
votes
0answers
80 views

A shorter person with a normal sized tallis katan

A theoretical question: If a young person (a boy for example that is 13 yrs old) that happens to be very short (not because of any physical disability) wears a normal size tallis katan it will be very ...
5
votes
1answer
164 views

What is the shiur for anointing on Yom Kippur?

Is there a minimum shiur to be chayav for anointing on Yom Kippur, and, if so, what is it? The gemarah (Yoma 76b) seems to learn it out as a comparison to food consumption: would that mean it has the ...
5
votes
0answers
218 views

How obligated is one to say Kaddish for a deceased relative?

People often talk about an obligation -- Chiyuv -- to recite Kaddish at every opportunity for some time after the death of a relative. (Which relatives are obligated and for how long does not seem ...
9
votes
3answers
191 views

Delaying using the toilet

According to Gemara Makkot 16b, the phrase in Vayikra 20:25 ... and do not make your souls disgusting - וְלֹא תְשַׁקְּצוּ אֶת נַפְשֹׁתֵיכֶם is a command not to hold in the urge to urinate or ...
5
votes
2answers
337 views

Challah Loaves on Shabbat have a minimum size?

In this article regarding the Shabbat Challah loaves, The Shmirat Shabbat KeHilchata (vol. II 55:5) is quoted as saying: The loaves must each be at least the size of an olive Normally, the size ...
2
votes
2answers
452 views

Upper limits of “kovea itim”

It is known from the gemara (Shabbos 31a and cited in maamar Toras HaBayis ch. 1, among other places) that when a person dies, he is asked if he had set times for learning. I know that these times can ...
5
votes
4answers
176 views

TzitTzit length

Once the TzitTzit have been tied, is there any requirement about their length?
6
votes
1answer
204 views

How long until a bean chulent is totally cooked (mevushal kol tzorko)?

My son has started raiding the chulent Friday night. To be able to return the chulent crock pot back to the casing, everything must be fully cooked. I rarely cook with beans, but would like to try ...
8
votes
1answer
730 views

18 minute Matzah?

Are there sources EXPLAINING why we have to make matzah within 18 minutes? I understand having a time limit if in fact the reason we eat matzah is to reenact the speed which we left Egypt (that ...
8
votes
1answer
95 views

Is there a minimum size for Chanuka flames?

Do the flames atop the chanukiya need to be a certain size to be valid? At the extreme, are tiny (but sustained) balls of blue flame sufficient?
5
votes
0answers
135 views

Eating out Friday night of Chanukkah

If one is lighting Chanukkah candles inside (for whatever reason) relying on the publicization to himself and his family, then what should he do on Friday night if he is eating out? Must he make the ...
3
votes
3answers
268 views

Is there a time limit for Borei Nefashos and Beracha Me'en Shalosh?

It seems that there's a 72-minute period after eating in which one must bentch. Does this also apply for Borei Nefashos and Beracha Me'en Shalosh?
6
votes
1answer
111 views

How high before a tree branch does not cause a problem for a Succah?

I have a lovely tree in the back yard, it must be 70-100 years old, maybe 15-20 feet around at the base. First branch is 32 feet up. I know since I used a 35 foot ladder to hang a swing from it, and ...
7
votes
2answers
268 views

Saying 100 Berachoth in a day

What is the source for the idea that one should say 100 Berachoth in a day, and how serious of an obligation is this? Is it mandatory, is it laudatory, or is it merely a nice idea?
6
votes
3answers
173 views

When does counting 100 Brochos per day start and end?

There's a Halacha/Mitzvah to say at-least 100 Brochos a day. My question is: what does the term "day" mean in this regard. Does a day start at night, and end the following night (as is the case in ...
11
votes
2answers
376 views

Why does writing on Shabbos need two letters?

In order to transgress "writing" (כותב) on Shabbos, (m'd'oraysah) one must write two letters. (See for example here.) Why is this so? Shouldn't writing anything still be considered writing? For ...
8
votes
2answers
171 views

What is the source for washing Mayim Acharonim with only a few drops of water?

OC 181 (4) MB [10] says that when washing mayim acharonim one must wash up to the second knuckle and using a few drops does not fulfill the mitzvah at all. Shulchan Oruch HaRav 181 (4) says there is ...
3
votes
2answers
945 views

How long is the required suspension of marital intimacy after childbirth?

How many days a must married couple refrain from intimacy after their baby is born?
12
votes
1answer
129 views

Bracha after an earthquake

Per the Artscroll Siddur after an earthquake we make a Bracha "Oseh Maaseh Breishis". Up to how long after the earthquake can you make this Bracha? (sources please)
8
votes
1answer
66 views

Are bushes acceptable for elevations that require a maakeh, a fence?

If evergreen bushes span the entire length of a side of a porch, at about waist-height for someone on the porch, do the bushes remove the need for a railing? The difference being that a railing can be ...
7
votes
1answer
169 views

What height porch requires a railing?

What are the different opinions of heights (in American or metric units) that requires a railing for the side of a porch?
8
votes
3answers
157 views

What is the Minimum Width of Tefillin Straps?

What is the minimum width of tefillin straps? For example: if one's tefillin straps partially tore, how much is required to remain for the tefillin to remain Kosher?
5
votes
2answers
139 views

Why is the right strap longer than the left strap by the Tefilin Shel Rosh?

What is the reason that the right strap is longer than the left strap by the Tefilin Shel Rosh?
5
votes
2answers
153 views

What is the proper length of the Tefilin Shel Rosh straps?

How long are the Tefilin Shel Rosh straps supposed to be? What is the minimum Shiur and what is the maximum?
8
votes
2answers
80 views

Why 30 days of preparation for a חג

Why exactly 30 days to review the laws of the upcoming holidays? Is there anything about the number 30 that makes it significant?
4
votes
2answers
133 views

Measurements used in Halacha

What is the underlying argument between the Chazon Ish and Rabbi Chaim Naaeh and Reb Moshe Feinstein? I know they argue in amounts, but what is the underlying argument? How did each get the ...
7
votes
3answers
1k views

Cash value of 'perutah'

How much is a 'perutah' worth in modern currency?
4
votes
0answers
148 views

Using Liquor for Kiddush [duplicate]

Possible Duplicate: Minimum Shi'ur for Kiddush on liquor Are you allowed to use other alcohols outside of wine for kiddush and how much must be used? really what i don't understand is ...
4
votes
2answers
778 views

What is the actual temperature of Yad Soledes?

What is the actual temperature of Yad Soledes?
3
votes
2answers
110 views

How to measure Menorah height

A menorah should preferably be within 10 tefachim from the ground (though higher than 3 tefachim). Are these ten tefachim measured to the base of the menorah, or to its top, or to the actual level of ...